diff --git a/lib/builder/builder.js b/lib/builder/builder.js
index d531c22026..5eef0201fb 100644
--- a/lib/builder/builder.js
+++ b/lib/builder/builder.js
@@ -270,7 +270,7 @@ export default class Builder {
       })).forEach((f) => {
         const key = f.replace(/\.(js|vue)$/, '')
         if (/\.vue$/.test(f) || !files[key]) {
-          files[key] = f.replace(/(['|"])/g, '\\$1')
+          files[key] = f.replace(/('|")/g, '\\$1')
         }
       })
       templateVars.router.routes = createRoutes(