diff --git a/compiler/src/steps/validate-model.ts b/compiler/src/steps/validate-model.ts
index 7f28d15652..fa3fd581cf 100644
--- a/compiler/src/steps/validate-model.ts
+++ b/compiler/src/steps/validate-model.ts
@@ -173,7 +173,7 @@ export default async function validateModel (apiModel: model.Model, restSpec: Ma
 
   const additionalRoots: TypeName[] = [
     // ErrorResponse is not referenced anywhere, but any API could return it if an error happens.
-    { namespace: '_types', name: 'ErrorResponseBase' },
+    { namespace: '_types', name: 'ErrorResponseBase' }
   ]
   additionalRoots.forEach(t => validateTypeRef(t, undefined, new Set()))