diff --git a/package.json b/package.json
index d408d10e9f..60520cded4 100644
--- a/package.json
+++ b/package.json
@@ -12,7 +12,7 @@
     "build:stub": "pnpm dev:prepare",
     "cleanup": "rimraf 'packages/**/node_modules' 'playground/node_modules' 'node_modules'",
     "dev": "pnpm play",
-    "dev:prepare": "pnpm --filter './packages/**' prepack --stub && pnpm --filter './packages/ui-templates' build",
+    "dev:prepare": "nuxi prepare && pnpm --filter './packages/**' prepack --stub && pnpm --filter './packages/ui-templates' build",
     "lint": "eslint . --cache",
     "lint:fix": "eslint . --cache --fix",
     "lint:docs": "markdownlint ./docs && case-police 'docs/**/*.md' *.md",
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'))
   })
 })