diff --git a/dom/messagechannel/MessagePort.cpp b/dom/messagechannel/MessagePort.cpp
index ee537607bf..71d9139ca6 100644
--- a/dom/messagechannel/MessagePort.cpp
+++ b/dom/messagechannel/MessagePort.cpp
@@ -375,7 +375,6 @@ MessagePort::Initialize(const nsID& aUUID,
 
     nsAutoPtr<WorkerHolder> workerHolder(new MessagePortWorkerHolder(this));
     if (NS_WARN_IF(!workerHolder->HoldWorker(workerPrivate, Closing))) {
-      CloseForced();
       aRv.Throw(NS_ERROR_FAILURE);
       return;
     }