diff --git a/lib/common/utils.js b/lib/common/utils.js
index 4932974119..bc14e0b249 100644
--- a/lib/common/utils.js
+++ b/lib/common/utils.js
@@ -107,7 +107,7 @@ export function wp(p = '') {
 export function wChunk(p = '') {
   /* istanbul ignore if */
   if (isWindows) {
-    return p.replace(/\//g, '\\\\')
+    return p.replace(/\\/g, '/')
   }
   return p
 }