diff --git a/docs/reference/config.md b/docs/reference/config.md
index 11317eac49..d01fd0f819 100644
--- a/docs/reference/config.md
+++ b/docs/reference/config.md
@@ -55,10 +55,15 @@ module:
   build: 
     # The command to run inside the module directory to perform the build.
     # 
-    # Example: "npm run build"
+    # Example:
+    #   - npm
+    #   - run
+    #   - build
     # 
     # Optional.
     command: 
+      - 
+      
     
     # A list of modules that must be built before this module is built.
     # 
@@ -230,10 +235,15 @@ module:
   build: 
     # The command to run inside the module directory to perform the build.
     # 
-    # Example: "npm run build"
+    # Example:
+    #   - npm
+    #   - run
+    #   - build
     # 
     # Optional.
     command: 
+      - 
+      
     
     # A list of modules that must be built before this module is built.
     # 
@@ -355,10 +365,15 @@ module:
   build: 
     # The command to run inside the module directory to perform the build.
     # 
-    # Example: "npm run build"
+    # Example:
+    #   - npm
+    #   - run
+    #   - build
     # 
     # Optional.
     command: 
+      - 
+      
     
     # A list of modules that must be built before this module is built.
     # 
diff --git a/src/garden.ts b/src/garden.ts
index 899f55608c..a3dc50b279 100644
--- a/src/garden.ts
+++ b/src/garden.ts
@@ -20,6 +20,7 @@ import {
   merge,
   pick,
   keyBy,
+  cloneDeep,
 } from "lodash"
 import * as Joi from "joi"
 import { TreeCache } from "./cache"
@@ -703,7 +704,7 @@ export class Garden {
     // Looks like a path
     const path = resolve(this.projectRoot, nameOrLocation)
     const config = await loadConfig(this.projectRoot, path)
-    const moduleConfig = config.module
+    const moduleConfig = cloneDeep(config.module)
 
     if (!moduleConfig) {
       return null
diff --git a/src/plugins/generic.ts b/src/plugins/generic.ts
index 4a68450a25..5871104b41 100644
--- a/src/plugins/generic.ts
+++ b/src/plugins/generic.ts
@@ -6,8 +6,8 @@
  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
  */
 
-import { exec } from "child-process-promise"
 import * as Joi from "joi"
+import { mapValues } from "lodash"
 import { join } from "path"
 import {
   joiArray,
@@ -43,7 +43,8 @@ import {
   baseTestSpecSchema,
 } from "../types/test"
 import { spawn } from "../util/util"
-import { TreeVersion, writeVersionFile, readVersionFile } from "../vcs/base"
+import { writeVersionFile, readVersionFile } from "../vcs/base"
+import execa = require("execa")
 
 export const name = "generic"
 export const buildVersionFilename = ".garden-build-version"
@@ -97,12 +98,15 @@ export async function parseGenericModule(
 export async function buildGenericModule({ module }: BuildModuleParams<GenericModule>): Promise<BuildResult> {
   const config: ModuleConfig = module.config
 
-  if (config.build.command) {
+  if (config.build.command.length) {
     const buildPath = await module.getBuildPath()
-    const result = await exec(config.build.command, {
-      cwd: buildPath,
-      env: { ...process.env, ...module.spec.env },
-    })
+    const result = await execa.shell(
+      config.build.command.join(" "),
+      {
+        cwd: buildPath,
+        env: { ...process.env, ...mapValues(module.spec.env, v => v.toString()) },
+      },
+    )
 
     // keep track of which version has been built
     const buildVersionFilePath = join(buildPath, buildVersionFilename)
@@ -155,7 +159,7 @@ export const genericPlugin: GardenPlugin = {
       testModule: testGenericModule,
 
       async getModuleBuildStatus({ module }: GetModuleBuildStatusParams): Promise<BuildStatus> {
-        if (!module.config.build.command) {
+        if (!module.config.build.command.length) {
           return { ready: true }
         }
 
diff --git a/src/plugins/local/local-google-cloud-functions.ts b/src/plugins/local/local-google-cloud-functions.ts
index 9c6272eee1..5db8d382c4 100644
--- a/src/plugins/local/local-google-cloud-functions.ts
+++ b/src/plugins/local/local-google-cloud-functions.ts
@@ -80,6 +80,7 @@ export const gardenPlugin = (): GardenPlugin => ({
         const module: ModuleConfig<ContainerModuleSpec> = {
           allowPush: true,
           build: {
+            command: [],
             dependencies: parsed.module.build.dependencies.concat([{
               name: emulatorModuleName,
               plugin: pluginName,
diff --git a/src/types/module.ts b/src/types/module.ts
index 8bb279d75c..caafd257ea 100644
--- a/src/types/module.ts
+++ b/src/types/module.ts
@@ -76,8 +76,7 @@ export const buildDependencySchema = Joi.object().keys({
 })
 
 export interface BuildConfig {
-  // TODO: this should be a string array, to match other command specs
-  command?: string,
+  command: string[],
   dependencies: BuildDependencyConfig[],
 }
 
@@ -109,9 +108,9 @@ export const baseModuleSpecSchema = Joi.object()
       .default(true)
       .description("Set to false to disable pushing this module to remote registries."),
     build: Joi.object().keys({
-      command: Joi.string()
+      command: joiArray(Joi.string())
         .description("The command to run inside the module directory to perform the build.")
-        .example("npm run build"),
+        .example(["npm", "run", "build"]),
       dependencies: joiArray(buildDependencySchema)
         .description("A list of modules that must be built before this module is built.")
         .example([{ name: "some-other-module-name" }]),
diff --git a/test/data/test-project-a/module-a/garden.yml b/test/data/test-project-a/module-a/garden.yml
index ed6b1aff60..e1d3a70ed8 100644
--- a/test/data/test-project-a/module-a/garden.yml
+++ b/test/data/test-project-a/module-a/garden.yml
@@ -4,7 +4,7 @@ module:
   services:
     - name: service-a
   build:
-    command: echo A
+    command: [echo, A]
   tests:
     - name: unit
       command: [echo, OK]
diff --git a/test/data/test-project-a/module-b/garden.yml b/test/data/test-project-a/module-b/garden.yml
index 21e8952ffd..ffcb1af832 100644
--- a/test/data/test-project-a/module-b/garden.yml
+++ b/test/data/test-project-a/module-b/garden.yml
@@ -6,7 +6,7 @@ module:
       dependencies:
         - service-a
   build:
-    command: echo B
+    command: [echo, B]
     dependencies:
       - module-a
   tests:
diff --git a/test/data/test-project-auto-reload/module-a/garden.yml b/test/data/test-project-auto-reload/module-a/garden.yml
index bf8d5b30ff..f5a86dff16 100644
--- a/test/data/test-project-auto-reload/module-a/garden.yml
+++ b/test/data/test-project-auto-reload/module-a/garden.yml
@@ -11,4 +11,4 @@ module:
         - name: http
           containerPort: 8080
   build:
-    command: echo A
+    command: [echo, A]
diff --git a/test/data/test-project-auto-reload/module-b/garden.yml b/test/data/test-project-auto-reload/module-b/garden.yml
index e205f70995..965b976e6e 100644
--- a/test/data/test-project-auto-reload/module-b/garden.yml
+++ b/test/data/test-project-auto-reload/module-b/garden.yml
@@ -13,6 +13,6 @@ module:
         - name: http
           containerPort: 8080
   build:
-    command: echo B
+    command: [echo, B]
     dependencies:
       - module-a
diff --git a/test/data/test-project-auto-reload/module-c/garden.yml b/test/data/test-project-auto-reload/module-c/garden.yml
index b03a6a638e..20a58e788f 100644
--- a/test/data/test-project-auto-reload/module-c/garden.yml
+++ b/test/data/test-project-auto-reload/module-c/garden.yml
@@ -11,4 +11,4 @@ module:
         - name: http
           containerPort: 8080
   build:
-    command: echo C
+    command: [echo, C]
diff --git a/test/data/test-project-auto-reload/module-d/garden.yml b/test/data/test-project-auto-reload/module-d/garden.yml
index ac1467df15..7281a88650 100644
--- a/test/data/test-project-auto-reload/module-d/garden.yml
+++ b/test/data/test-project-auto-reload/module-d/garden.yml
@@ -13,6 +13,6 @@ module:
         - name: http
           containerPort: 8080
   build:
-    command: echo D
+    command: [echo, D]
     dependencies:
       - module-b
diff --git a/test/data/test-project-auto-reload/module-e/garden.yml b/test/data/test-project-auto-reload/module-e/garden.yml
index c9f929aa56..924261d21f 100644
--- a/test/data/test-project-auto-reload/module-e/garden.yml
+++ b/test/data/test-project-auto-reload/module-e/garden.yml
@@ -15,4 +15,4 @@ module:
   build:
     dependencies:
       - module-b
-    command: echo E
+    command: [echo, E]
diff --git a/test/data/test-project-auto-reload/module-f/garden.yml b/test/data/test-project-auto-reload/module-f/garden.yml
index 4466746eda..9e36118acc 100644
--- a/test/data/test-project-auto-reload/module-f/garden.yml
+++ b/test/data/test-project-auto-reload/module-f/garden.yml
@@ -15,4 +15,4 @@ module:
   build:
     dependencies:
       - module-c
-    command: echo F
+    command: [echo, F]
diff --git a/test/data/test-project-b/module-a/garden.yml b/test/data/test-project-b/module-a/garden.yml
index 9a0adba109..73969ec365 100644
--- a/test/data/test-project-b/module-a/garden.yml
+++ b/test/data/test-project-b/module-a/garden.yml
@@ -10,4 +10,4 @@ module:
         - name: http
           containerPort: 8080
   build:
-    command: echo A
+    command: [echo, A]
diff --git a/test/data/test-project-b/module-b/garden.yml b/test/data/test-project-b/module-b/garden.yml
index 6b8b3b2d81..d5d04a0097 100644
--- a/test/data/test-project-b/module-b/garden.yml
+++ b/test/data/test-project-b/module-b/garden.yml
@@ -12,6 +12,6 @@ module:
       dependencies:
         - service-a
   build:
-    command: echo B
+    command: [echo, B]
     dependencies:
       - module-a
diff --git a/test/data/test-project-build-products/module-a/garden.yml b/test/data/test-project-build-products/module-a/garden.yml
index a314298b63..2d8cfab046 100644
--- a/test/data/test-project-build-products/module-a/garden.yml
+++ b/test/data/test-project-build-products/module-a/garden.yml
@@ -2,4 +2,4 @@ module:
   name: module-a
   type: test
   build:
-    command: "echo A && touch a.txt"
+    command: [echo, A, "&&", touch, a.txt]
diff --git a/test/data/test-project-build-products/module-b/garden.yml b/test/data/test-project-build-products/module-b/garden.yml
index 4792032c5d..8414f24441 100644
--- a/test/data/test-project-build-products/module-b/garden.yml
+++ b/test/data/test-project-build-products/module-b/garden.yml
@@ -2,4 +2,10 @@ module:
   name: module-b
   type: test
   build:
-    command: "echo B && mkdir -p build/build_subdir && touch build/b1.txt build/build_subdir/b2.txt build/unused.txt"
+    command: [
+      echo, B,
+      "&&",
+      mkdir, -p, build/build_subdir,
+      "&&",
+      touch, build/b1.txt, build/build_subdir/b2.txt, build/unused.txt
+    ]
diff --git a/test/data/test-project-build-products/module-c/garden.yml b/test/data/test-project-build-products/module-c/garden.yml
index 93ed13e100..d6d8f40832 100644
--- a/test/data/test-project-build-products/module-c/garden.yml
+++ b/test/data/test-project-build-products/module-c/garden.yml
@@ -2,4 +2,4 @@ module:
   name: module-c
   type: test
   build:
-    command: "echo C"
+    command: [echo, C]
diff --git a/test/data/test-project-build-products/module-d/garden.yml b/test/data/test-project-build-products/module-d/garden.yml
index 8e63ec0c19..13d16047c5 100644
--- a/test/data/test-project-build-products/module-d/garden.yml
+++ b/test/data/test-project-build-products/module-d/garden.yml
@@ -2,7 +2,13 @@ module:
   name: module-d
   type: test
   build:
-    command: "echo D && mkdir -p build && touch build/d.txt"
+    command: [
+      echo, D,
+      "&&",
+      mkdir, -p, build,
+      "&&",
+      touch, build/d.txt
+    ]
     dependencies:
       - name: module-a
         copy:
diff --git a/test/data/test-project-build-products/module-e/garden.yml b/test/data/test-project-build-products/module-e/garden.yml
index 6c71d69be9..a156745002 100644
--- a/test/data/test-project-build-products/module-e/garden.yml
+++ b/test/data/test-project-build-products/module-e/garden.yml
@@ -2,7 +2,7 @@ module:
   name: module-e
   type: test
   build:
-    command: "echo E"
+    command: [echo, E]
     dependencies:
       - name: module-d
         copy:
diff --git a/test/data/test-project-circular-deps/module-a/garden.yml b/test/data/test-project-circular-deps/module-a/garden.yml
index e6bab029d5..88453f37ab 100644
--- a/test/data/test-project-circular-deps/module-a/garden.yml
+++ b/test/data/test-project-circular-deps/module-a/garden.yml
@@ -9,6 +9,6 @@ module:
       dependencies:
         - service-c
   build:
-    command: echo A
+    command: [echo, A]
     dependencies:
       - module-c
diff --git a/test/data/test-project-circular-deps/module-b/garden.yml b/test/data/test-project-circular-deps/module-b/garden.yml
index d46aff4466..379172060e 100644
--- a/test/data/test-project-circular-deps/module-b/garden.yml
+++ b/test/data/test-project-circular-deps/module-b/garden.yml
@@ -10,6 +10,6 @@ module:
         - service-a
         - service-c
   build:
-    command: echo B
+    command: [echo, B]
     dependencies:
       - module-a
diff --git a/test/data/test-project-templated/garden.yml b/test/data/test-project-templated/garden.yml
index 04bac60717..c8c39521f5 100644
--- a/test/data/test-project-templated/garden.yml
+++ b/test/data/test-project-templated/garden.yml
@@ -3,7 +3,7 @@ project:
   environmentDefaults:
     variables:
       some: ${local.env.TEST_VARIABLE}
-      service-a-build-command: echo OK
+      service-a-build-command: OK
   environments:
     - name: local
       providers:
diff --git a/test/data/test-project-templated/module-a/garden.yml b/test/data/test-project-templated/module-a/garden.yml
index 6752be1b37..35cee2eef7 100644
--- a/test/data/test-project-templated/module-a/garden.yml
+++ b/test/data/test-project-templated/module-a/garden.yml
@@ -5,7 +5,7 @@ module:
     - name: service-a
       command: [echo, "${local.env.TEST_VARIABLE}"]
   build:
-    command: ${variables.service-a-build-command}
+    command: [echo, "${variables.service-a-build-command}"]
   tests:
     - name: unit
       command: [echo, OK]
diff --git a/test/data/test-project-templated/module-b/garden.yml b/test/data/test-project-templated/module-b/garden.yml
index 39735a774d..839524d070 100644
--- a/test/data/test-project-templated/module-b/garden.yml
+++ b/test/data/test-project-templated/module-b/garden.yml
@@ -7,7 +7,7 @@ module:
       dependencies:
         - service-a
   build:
-    command: ${variables.service-a-build-command}
+    command: [echo, "${variables.service-a-build-command}"]
   tests:
     - name: unit
       command: [echo, "${config.project.my.variable}"]
diff --git a/test/helpers.ts b/test/helpers.ts
index 9f7b0cce83..734a39aa5b 100644
--- a/test/helpers.ts
+++ b/test/helpers.ts
@@ -185,7 +185,7 @@ export const defaultModuleConfig: ModuleConfig = {
   path: "bla",
   allowPush: false,
   variables: {},
-  build: { dependencies: [] },
+  build: { command: [], dependencies: [] },
   spec: {
     services: [
       {
diff --git a/test/src/commands/build.ts b/test/src/commands/build.ts
index 5cea9d68ba..5e42493374 100644
--- a/test/src/commands/build.ts
+++ b/test/src/commands/build.ts
@@ -13,8 +13,8 @@ describe("commands.build", () => {
     const { result } = await command.action(ctx, { module: undefined }, { watch: false, force: true })
 
     expect(taskResultOutputs(result!)).to.eql({
-      "build.module-a": { fresh: true, buildLog: "A\n" },
-      "build.module-b": { fresh: true, buildLog: "B\n" },
+      "build.module-a": { fresh: true, buildLog: "A" },
+      "build.module-b": { fresh: true, buildLog: "B" },
       "build.module-c": {},
     })
   })
@@ -26,8 +26,8 @@ describe("commands.build", () => {
     const { result } = await command.action(ctx, { module: "module-b" }, { watch: false, force: true })
 
     expect(taskResultOutputs(result!)).to.eql({
-      "build.module-a": { fresh: true, buildLog: "A\n" },
-      "build.module-b": { fresh: true, buildLog: "B\n" },
+      "build.module-a": { fresh: true, buildLog: "A" },
+      "build.module-b": { fresh: true, buildLog: "B" },
     })
   })
 })
diff --git a/test/src/commands/data/validate/bad-project/ok-module/garden.yml b/test/src/commands/data/validate/bad-project/ok-module/garden.yml
index 0ec39c075a..81ab238bc1 100644
--- a/test/src/commands/data/validate/bad-project/ok-module/garden.yml
+++ b/test/src/commands/data/validate/bad-project/ok-module/garden.yml
@@ -2,4 +2,4 @@ module:
   name: module-a
   type: generic
   build:
-    command: echo A
+    command: [echo, A]
diff --git a/test/src/commands/deploy.ts b/test/src/commands/deploy.ts
index 4214e133d5..522596905a 100644
--- a/test/src/commands/deploy.ts
+++ b/test/src/commands/deploy.ts
@@ -82,8 +82,8 @@ describe("DeployCommand", () => {
     )
 
     expect(taskResultOutputs(result!)).to.eql({
-      "build.module-a": { fresh: true, buildLog: "A\n" },
-      "build.module-b": { fresh: true, buildLog: "B\n" },
+      "build.module-a": { fresh: true, buildLog: "A" },
+      "build.module-b": { fresh: true, buildLog: "B" },
       "build.module-c": {},
       "deploy.service-a": { version: "1", state: "ready" },
       "deploy.service-b": { version: "1", state: "ready" },
@@ -109,8 +109,8 @@ describe("DeployCommand", () => {
     )
 
     expect(taskResultOutputs(result!)).to.eql({
-      "build.module-a": { fresh: true, buildLog: "A\n" },
-      "build.module-b": { fresh: true, buildLog: "B\n" },
+      "build.module-a": { fresh: true, buildLog: "A" },
+      "build.module-b": { fresh: true, buildLog: "B" },
       "deploy.service-a": { version: "1", state: "ready" },
       "deploy.service-b": { version: "1", state: "ready" },
     })
diff --git a/test/src/commands/push.ts b/test/src/commands/push.ts
index 57c9acea72..37bb89bcf2 100644
--- a/test/src/commands/push.ts
+++ b/test/src/commands/push.ts
@@ -190,7 +190,7 @@ describe("PushCommand", () => {
 
     expect(taskResultOutputs(result!)).to.eql({
       "build.module-a": {
-        buildLog: "A\n",
+        buildLog: "A",
         fresh: true,
       },
       "push.module-a": { pushed: false, message: chalk.yellow("No push handler available for module type test") },
diff --git a/test/src/commands/test.ts b/test/src/commands/test.ts
index 60031f8346..bae028661a 100644
--- a/test/src/commands/test.ts
+++ b/test/src/commands/test.ts
@@ -20,7 +20,7 @@ describe("commands.test", () => {
     expect(isSubset(taskResultOutputs(result!), {
       "build.module-a": {
         fresh: true,
-        buildLog: "A\n",
+        buildLog: "A",
       },
       "test.module-a.unit": {
         success: true,
@@ -28,7 +28,7 @@ describe("commands.test", () => {
       },
       "build.module-b": {
         fresh: true,
-        buildLog: "B\n",
+        buildLog: "B",
       },
       "build.module-c": {},
       "test.module-b.unit": {
@@ -55,7 +55,7 @@ describe("commands.test", () => {
     expect(isSubset(taskResultOutputs(result!), {
       "build.module-a": {
         fresh: true,
-        buildLog: "A\n",
+        buildLog: "A",
       },
       "test.module-a.unit": {
         success: true,
diff --git a/test/src/garden.ts b/test/src/garden.ts
index fab63f7725..302b82bd8c 100644
--- a/test/src/garden.ts
+++ b/test/src/garden.ts
@@ -81,7 +81,7 @@ describe("Garden", () => {
         ],
         variables: {
           some: "banana",
-          "service-a-build-command": "echo OK",
+          "service-a-build-command": "OK",
         },
       })
     })
diff --git a/test/src/plugins/container.ts b/test/src/plugins/container.ts
index 0bed5b42e5..41ee8afb05 100644
--- a/test/src/plugins/container.ts
+++ b/test/src/plugins/container.ts
@@ -51,6 +51,7 @@ describe("container", () => {
         const module = await getTestModule({
           allowPush: false,
           build: {
+            command: [],
             dependencies: [],
           },
           name: "test",
@@ -76,6 +77,7 @@ describe("container", () => {
         const module = await getTestModule({
           allowPush: false,
           build: {
+            command: [],
             dependencies: [],
           },
           name: "test",
@@ -102,6 +104,7 @@ describe("container", () => {
         const module = await getTestModule({
           allowPush: false,
           build: {
+            command: [],
             dependencies: [],
           },
           name: "test",
@@ -124,6 +127,7 @@ describe("container", () => {
         const module = await getTestModule({
           allowPush: false,
           build: {
+            command: [],
             dependencies: [],
           },
           name: "test",
@@ -148,6 +152,7 @@ describe("container", () => {
         const module = await getTestModule({
           allowPush: false,
           build: {
+            command: [],
             dependencies: [],
           },
           name: "test",
@@ -175,7 +180,7 @@ describe("container", () => {
         const moduleConfig: ContainerModuleConfig = {
           allowPush: false,
           build: {
-            command: "echo OK",
+            command: ["echo", "OK"],
             dependencies: [],
           },
           name: "module-a",
@@ -228,7 +233,7 @@ describe("container", () => {
         const moduleConfig: ContainerModuleConfig = {
           allowPush: false,
           build: {
-            command: "echo OK",
+            command: ["echo", "OK"],
             dependencies: [],
           },
           name: "module-a",
@@ -274,7 +279,7 @@ describe("container", () => {
         const moduleConfig: ContainerModuleConfig = {
           allowPush: false,
           build: {
-            command: "echo OK",
+            command: ["echo", "OK"],
             dependencies: [],
           },
           name: "module-a",
@@ -315,7 +320,7 @@ describe("container", () => {
         const moduleConfig: ContainerModuleConfig = {
           allowPush: false,
           build: {
-            command: "echo OK",
+            command: ["echo", "OK"],
             dependencies: [],
           },
           name: "module-a",
@@ -355,6 +360,7 @@ describe("container", () => {
         const module = td.object(await getTestModule({
           allowPush: false,
           build: {
+            command: [],
             dependencies: [],
           },
           name: "test",
@@ -380,6 +386,7 @@ describe("container", () => {
         const module = td.object(await getTestModule({
           allowPush: false,
           build: {
+            command: [],
             dependencies: [],
           },
           name: "test",
@@ -407,6 +414,7 @@ describe("container", () => {
         const module = td.object(await getTestModule({
           allowPush: false,
           build: {
+            command: [],
             dependencies: [],
           },
           name: "test",
@@ -439,6 +447,7 @@ describe("container", () => {
         const module = td.object(await getTestModule({
           allowPush: false,
           build: {
+            command: [],
             dependencies: [],
           },
           name: "test",
@@ -477,6 +486,7 @@ describe("container", () => {
         const module = td.object(await getTestModule({
           allowPush: false,
           build: {
+            command: [],
             dependencies: [],
           },
           name: "test",
@@ -504,6 +514,7 @@ describe("container", () => {
         const module = td.object(await getTestModule({
           allowPush: false,
           build: {
+            command: [],
             dependencies: [],
           },
           name: "test",
@@ -538,6 +549,7 @@ describe("container", () => {
         const module = td.object(await getTestModule({
           allowPush: false,
           build: {
+            command: [],
             dependencies: [],
           },
           name: "test",
diff --git a/test/src/types/config.ts b/test/src/types/config.ts
index 35427611d3..7c2c9c85fd 100644
--- a/test/src/types/config.ts
+++ b/test/src/types/config.ts
@@ -44,7 +44,7 @@ describe("loadConfig", () => {
       type: "test",
       description: undefined,
       allowPush: true,
-      build: { command: "echo A", dependencies: [] },
+      build: { command: ["echo", "A"], dependencies: [] },
       path: modulePathA,
       variables: {},
 
diff --git a/test/src/types/module.ts b/test/src/types/module.ts
index 6b9a7b2482..3c007f590b 100644
--- a/test/src/types/module.ts
+++ b/test/src/types/module.ts
@@ -20,7 +20,7 @@ describe("Module", () => {
     expect(module.config).to.eql({
       allowPush: true,
       build: {
-        command: "echo A",
+        command: ["echo", "A"],
         dependencies: [],
       },
       description: undefined,
@@ -59,7 +59,7 @@ describe("Module", () => {
       expect(module.name).to.equal("module-a")
       expect(resolved.config).to.eql({
         allowPush: true,
-        build: { command: "echo OK", dependencies: [] },
+        build: { command: ["echo", "OK"], dependencies: [] },
         description: undefined,
         name: "module-a",
         path: module.path,