diff --git a/js/ui/panel.js b/js/ui/panel.js
index 40bf94453..e8ac5ce9e 100644
--- a/js/ui/panel.js
+++ b/js/ui/panel.js
@@ -121,7 +121,7 @@ Panel.prototype = {
                     width: global.screen_width,
                     height: PANEL_HEIGHT
                 },
-                side: Meta.Direction.TOP
+                side: Meta.Side.TOP
             })
         ];