diff --git a/lib/common/utils.js b/lib/common/utils.js
index 59e3f15c25..710eccf519 100644
--- a/lib/common/utils.js
+++ b/lib/common/utils.js
@@ -258,7 +258,7 @@ exports.createRoutes = function createRoutes(files, srcDir, pagesDir) {
   let routes = []
   files.forEach(file => {
     let keys = file
-      .replace(`/^${pagesDir}/`, '')
+      .replace(RegExp(`^${pagesDir}`), '')
       .replace(/\.(vue|js)$/, '')
       .replace(/\/{2,}/g, '/')
       .split('/')