diff --git a/packages/@vue/cli-shared-utils/lib/env.js b/packages/@vue/cli-shared-utils/lib/env.js
index bfa69fb627..9a95d32b5d 100644
--- a/packages/@vue/cli-shared-utils/lib/env.js
+++ b/packages/@vue/cli-shared-utils/lib/env.js
@@ -136,7 +136,7 @@ const _npmProjects = new LRU({
 })
 exports.hasProjectNpm = (cwd) => {
   if (_npmProjects.has(cwd)) {
-    return true
+    return _npmProjects.get(cwd)
   }
 
   const lockFile = path.join(cwd, 'package-lock.json')