diff --git a/packages/app/src/cli/models/extensions/extension-instance.ts b/packages/app/src/cli/models/extensions/extension-instance.ts
index 3e55742d75..3554617eb8 100644
--- a/packages/app/src/cli/models/extensions/extension-instance.ts
+++ b/packages/app/src/cli/models/extensions/extension-instance.ts
@@ -474,7 +474,7 @@ export class ExtensionInstance<TConfiguration extends BaseConfigType = BaseConfi
       watchedFiles.push(...importedFiles)
     }
 
-    return [...new Set(watchedFiles.map((file) => normalizePath(file)))]
+    return uniq(watchedFiles.map((file) => normalizePath(file)))
   }
 
   /**