diff --git a/src/as/com/threerings/ezgame/EZGameControl.as b/src/as/com/threerings/ezgame/EZGameControl.as
index 789ef754..05ddcb8c 100644
--- a/src/as/com/threerings/ezgame/EZGameControl.as
+++ b/src/as/com/threerings/ezgame/EZGameControl.as
@@ -613,6 +613,7 @@ public class EZGameControl extends BaseControl
      */
     protected function populateProperties (o :Object) :void
     {
+        o["connectionClosed_v1"] = connectionClosed_v1;
         o["propertyWasSet_v1"] = propertyWasSet_v1;
         o["controlDidChange_v1"] = controlDidChange_v1;
         o["turnDidChange_v1"] = turnDidChange_v1;
@@ -624,6 +625,14 @@ public class EZGameControl extends BaseControl
         o["userChat_v1"] = userChat_v1;
     }
 
+    /**
+     * Private method called when the backend disconnects from us.
+     */
+    private function connectionClosed_v1 () :void
+    {
+        _gameData = null;
+    }
+
     /**
      * Private method to post a PropertyChangedEvent.
      */
diff --git a/src/as/com/threerings/ezgame/client/GameControlBackend.as b/src/as/com/threerings/ezgame/client/GameControlBackend.as
index cb6e193d..88218549 100644
--- a/src/as/com/threerings/ezgame/client/GameControlBackend.as
+++ b/src/as/com/threerings/ezgame/client/GameControlBackend.as
@@ -129,6 +129,7 @@ public class GameControlBackend
         _ctx.getChatDirector().removeChatDisplay(this);
         _ctx.getClient().getClientObject().removeListener(_userListener);
         _userFuncs = null; // disconnect
+        callUserCode("connectionClosed_v1");
     }
 
     /**