diff --git a/weed/server/filer_ui/filer.html b/weed/server/filer_ui/filer.html
index ef9ef75fb..28425f180 100644
--- a/weed/server/filer_ui/filer.html
+++ b/weed/server/filer_ui/filer.html
@@ -337,7 +337,7 @@
}
var url = basePath + encodeURIComponent(newName);
var originPath = basePath + originName;
- url += '?mv.from=' + originPath;
+ url += '?mv.from=' + encodeURIComponent(originPath);
var xhr = new XMLHttpRequest();
xhr.open('POST', url, false);
xhr.setRequestHeader('Content-Type', '');