diff --git a/src/compositor/meta-window-group.c b/src/compositor/meta-window-group.c
index fa30c110e..525f987f2 100644
--- a/src/compositor/meta-window-group.c
+++ b/src/compositor/meta-window-group.c
@@ -155,7 +155,7 @@ meta_window_group_paint (ClutterActor *actor)
       if (!CLUTTER_ACTOR_IS_VISIBLE (child))
         continue;
 
-      if (child == info->unredirected_window)
+      if (META_WINDOW_ACTOR (child) == info->unredirected_window)
         continue;
 
       /* If an actor has effects applied, then that can change the area