diff --git a/bigbluebutton-client/src/org/bigbluebutton/main/api/ExternalApiCallbacks.as b/bigbluebutton-client/src/org/bigbluebutton/main/api/ExternalApiCallbacks.as
index aab02604af82012476fcea6b7c0d445182577656..c369f8df3035570b4d435604c4388360b7ca2fab 100755
--- a/bigbluebutton-client/src/org/bigbluebutton/main/api/ExternalApiCallbacks.as
+++ b/bigbluebutton-client/src/org/bigbluebutton/main/api/ExternalApiCallbacks.as
@@ -118,7 +118,7 @@ package org.bigbluebutton.main.api
     }
 
     private function handleQueryListsOfPresentationsRequest():void {    
-      _dispatcher.dispatchEvent(new GetListOfPresentationsRequest());
+      _dispatcher.dispatchEvent(new GetListOfPresentationsRequest("UNKNOWN"));
     }
         
     private function handleDisplayPresentationRequest(presentationID:String):void {