diff --git a/packages/whook-cli/src/services/command.ts b/packages/whook-cli/src/services/command.ts
index 53c438a7..15caa3ce 100644
--- a/packages/whook-cli/src/services/command.ts
+++ b/packages/whook-cli/src/services/command.ts
@@ -15,20 +15,20 @@ async function initCommand({ commandHandler, log }) {
               'error',
               `Argument "${err.params[0][0].params.missingProperty}" is required.`,
             );
-            return;
+            throw err;
           }
         }
         if (err.params[0][0].keyword === 'additionalProperties') {
           if (err.params[0][0].params.additionalProperty === '_') {
             log('error', 'No anonymous arguments allowed.');
-            return;
+            throw err;
           }
           if (err.params[0][0].params.additionalProperty) {
             log(
               'error',
               `Argument "${err.params[0][0].params.additionalProperty}" not allowed.`,
             );
-            return;
+            throw err;
           }
         }
         log(
@@ -37,7 +37,7 @@ async function initCommand({ commandHandler, log }) {
           err.params[0][0].message,
           err.params[0][0].params,
         );
-        return;
+        throw err;
       }
       throw err;
     }
diff --git a/packages/whook-example/src/cli.test.ts b/packages/whook-example/src/cli.test.ts
index 932acc91..f928f7b6 100644
--- a/packages/whook-example/src/cli.test.ts
+++ b/packages/whook-example/src/cli.test.ts
@@ -1,4 +1,5 @@
 import { exec } from 'child_process';
+import YError from 'yerror';
 
 describe('commands should work', () => {
   it('with ls', async () => {
@@ -36,12 +37,12 @@ describe('commands should work', () => {
 });
 
 async function execCommand(
-  command,
+  command: string,
 ): Promise<{ stdout: string; stderr: string }> {
   return new Promise((resolve, reject) => {
     exec(command, (err, stdout, stderr) => {
       if (err) {
-        reject(err);
+        reject(YError.wrap(err, 'E_COMMAND_FAILURE', stdout, stderr));
         return;
       }
       resolve({ stdout, stderr });