--- a/netwerk/protocol/ftp/FTPChannelParent.cpp
+++ b/netwerk/protocol/ftp/FTPChannelParent.cpp
@@ -88,16 +88,20 @@ FTPChannelParent::RecvAsyncOpen(const UR
     return SendFailedAsyncOpen(rv);
 
   mChannel = static_cast<nsFtpChannel*>(chan.get());
 
   if (mPBOverride != kPBOverride_Unset) {
     mChannel->SetPrivate(mPBOverride == kPBOverride_Private ? true : false);
   }
 
+  rv = mChannel->SetNotificationCallbacks(this);
+  if (NS_FAILED(rv))
+    return SendFailedAsyncOpen(rv);
+  
   nsCOMPtr<nsIInputStream> upload = DeserializeInputStream(aUploadStream);
   if (upload) {
     // contentType and contentLength are ignored
     rv = mChannel->SetUploadStream(upload, EmptyCString(), 0);
     if (NS_FAILED(rv))
       return SendFailedAsyncOpen(rv);
   }
 

--- a/netwerk/protocol/wyciwyg/WyciwygChannelParent.cpp
+++ b/netwerk/protocol/wyciwyg/WyciwygChannelParent.cpp
@@ -117,16 +117,20 @@ WyciwygChannelParent::RecvAsyncOpen(cons
   }
 
   if (!mLoadContext && loadContext.IsPrivateBitValid()) {
     nsCOMPtr<nsIPrivateBrowsingChannel> pbChannel = do_QueryInterface(mChannel);
     if (pbChannel)
       pbChannel->SetPrivate(loadContext.mUsePrivateBrowsing);
   }
 
+  rv = mChannel->SetNotificationCallbacks(this);
+  if (NS_FAILED(rv))
+    return SendCancelEarly(rv);
+
   rv = mChannel->AsyncOpen(this, nullptr);
   if (NS_FAILED(rv))
     return SendCancelEarly(rv);
 
   return true;
 }
 
 bool