diff --git a/packages/@vue/cli-ui/src/graphql-api/connectors/projects.js b/packages/@vue/cli-ui/src/graphql-api/connectors/projects.js
index 41c497e89..381ea3a17 100644
--- a/packages/@vue/cli-ui/src/graphql-api/connectors/projects.js
+++ b/packages/@vue/cli-ui/src/graphql-api/connectors/projects.js
@@ -276,7 +276,7 @@ async function create (input, context) {
     answers.packageManager = input.packageManager
 
     // Config files
-    if ((index = answers.features.includes('use-config-files')) !== -1) {
+    if ((index = answers.features.indexOf('use-config-files')) !== -1) {
       answers.features.splice(index, 1)
       answers.useConfigFiles = 'files'
     }