diff --git a/shell/plugins/background/Background.qml b/shell/plugins/background/Background.qml
index 58f07fff..c9cfd8c0 100644
--- a/shell/plugins/background/Background.qml
+++ b/shell/plugins/background/Background.qml
@@ -25,8 +25,7 @@ Item {
   property real revealProgress: 1
 
   function imageUrl(path) {
-    if (!path) return ""
-    return "file://" + path
+    return Util.fileUrl(path)
   }
 
   function refreshBackground() {