diff --git a/src/as/com/threerings/parlor/client/ParlorDirector.as b/src/as/com/threerings/parlor/client/ParlorDirector.as
index c36612f5..eae24919 100644
--- a/src/as/com/threerings/parlor/client/ParlorDirector.as
+++ b/src/as/com/threerings/parlor/client/ParlorDirector.as
@@ -83,7 +83,7 @@ public class ParlorDirector extends BasicDirector
      */
     public function addGameReadyObserver (observer :GameReadyObserver) :void
     {
-        _grobs.add(observer);
+        _grobs.push(observer);
     }
 
     /**