diff --git a/js/ui/popupMenu.js b/js/ui/popupMenu.js
index 3332fe972..28d1d26b7 100644
--- a/js/ui/popupMenu.js
+++ b/js/ui/popupMenu.js
@@ -527,6 +527,10 @@ const PopupSliderMenuItem = new Lang.Class({
 
     get value() {
         return this._slider.value;
+    },
+
+    scroll: function (event) {
+        this._slider.scroll(event);
     }
 });