diff --git a/package.json b/package.json
index a4eb151195..479008aead 100644
--- a/package.json
+++ b/package.json
@@ -11,7 +11,7 @@
     "build": "pnpm --filter './packages/**' prepack",
     "build:stub": "pnpm dev:prepare",
     "dev": "pnpm play",
-    "dev:prepare": "pnpm --filter './packages/**' prepack --stub && pnpm --filter './packages/ui-templates' build",
+    "dev:prepare": "pnpm --filter './packages/**' prepack --stub && pnpm --filter './packages/ui-templates' build && nuxi prepare",
     "debug:prepare": "TIMINGS_DEBUG=true pnpm dev:prepare",
     "debug:build": "TIMINGS_DEBUG=true pnpm build",
     "debug:dev": "rm -rf **/node_modules/.cache/jiti && pnpm nuxi dev",
diff --git a/packages/kit/src/resolve.test.ts b/packages/kit/src/resolve.test.ts
index bcdb95486e..adf744e0e7 100644
--- a/packages/kit/src/resolve.test.ts
+++ b/packages/kit/src/resolve.test.ts
@@ -20,7 +20,7 @@ const nuxt = await loadNuxt({
 
 describe('resolvePath', () => {
   it('should resolve paths correctly', async () => {
-    expect(await resolvePath('.nuxt/app.config')).toBe(resolve(nuxt.options.buildDir, 'app.config'))
+    expect(await resolvePath('.nuxt/app.config')).toBe(resolve(nuxt.options.buildDir, 'app.config.mjs'))
   })
 })