diff --git a/integration/meta-typings-as-const/simple.ts b/integration/meta-typings-as-const/simple.ts
index a580f23b9..52d1d1618 100644
--- a/integration/meta-typings-as-const/simple.ts
+++ b/integration/meta-typings-as-const/simple.ts
@@ -147,11 +147,6 @@ export const protoMetadata = {
   references: { ".simple.TestEnum": TestEnum, ".simple.Test": Test },
   dependencies: [protoMetadata1],
   options: {
-    enums: {
-      "TestEnum": {
-        options: undefined,
-        values: { "VALUE_A": { "string_value": "A" }, "VALUE_B": { "string_value": "B" } },
-      },
-    },
+    enums: { "TestEnum": { values: { "VALUE_A": { "string_value": "A" }, "VALUE_B": { "string_value": "B" } } } },
   },
 } as const satisfies ProtoMetadata;
diff --git a/src/schema.ts b/src/schema.ts
index 4bfb0106d..36501353a 100644
--- a/src/schema.ts
+++ b/src/schema.ts
@@ -140,7 +140,7 @@ export function generateSchema(ctx: Context, fileDesc: FileDescriptorProto, sour
     if (methodsOptions.length > 0 || serviceOptions) {
       servicesOptions.push(code`
         '${service.name}': {
-          options: ${serviceOptions},
+          ${serviceOptions ? code`options: ${serviceOptions},` : ""}
           methods: {${joinCode(methodsOptions, { on: "," })}}
         }
       `);
@@ -173,7 +173,7 @@ export function generateSchema(ctx: Context, fileDesc: FileDescriptorProto, sour
     if (valuesOptions.length > 0 || enumOptions) {
       enumsOptions.push(code`
         '${Enum.name}': {
-          options: ${enumOptions},
+          ${enumOptions ? code`options: ${enumOptions},` : ""}
           values: {${joinCode(valuesOptions, { on: "," })}}
         }
       `);