diff --git a/netwerk/ipc/DocumentLoadListener.cpp b/netwerk/ipc/DocumentLoadListener.cpp
index a8574f44fc7a..932ef19f8eb8 100644
--- a/netwerk/ipc/DocumentLoadListener.cpp
+++ b/netwerk/ipc/DocumentLoadListener.cpp
@@ -805,6 +805,7 @@ void DocumentLoadListener::FinishReplacementChannelSetup(nsresult aResult) {
     if (NS_FAILED(aResult)) {
       mChannel->Cancel(aResult);
       mChannel->Resume();
+      DisconnectChildListeners(aResult, aResult);
       return;
     }
     ApplyPendingFunctions(mChannel);