diff --git a/src/compositor/meta-window-actor.c b/src/compositor/meta-window-actor.c
index 8251432fb..5b123d6db 100644
--- a/src/compositor/meta-window-actor.c
+++ b/src/compositor/meta-window-actor.c
@@ -369,10 +369,10 @@ meta_window_actor_constructed (GObject *object)
        */
       g_object_ref (priv->actor);
 
-      g_signal_connect (window, "notify::decorated",
-                        G_CALLBACK (window_decorated_notify), self);
-      g_signal_connect (window, "notify::appears-focused",
-                        G_CALLBACK (window_appears_focused_notify), self);
+      g_signal_connect_object (window, "notify::decorated",
+                               G_CALLBACK (window_decorated_notify), self, 0);
+      g_signal_connect_object (window, "notify::appears-focused",
+                               G_CALLBACK (window_appears_focused_notify), self, 0);
     }
   else
     {