diff --git a/netwerk/protocol/http/src/HttpChannelParent.cpp b/netwerk/protocol/http/src/HttpChannelParent.cpp
index f04355e60c73..3d2114d7db7c 100644
--- a/netwerk/protocol/http/src/HttpChannelParent.cpp
+++ b/netwerk/protocol/http/src/HttpChannelParent.cpp
@@ -108,6 +108,7 @@ HttpChannelParent::RecvAsyncOpen(const IPC::URI&            aURI,
     return false;       // TODO: send fail msg to child, return true
 
   nsHttpChannel *httpChan = static_cast<nsHttpChannel *>(mChannel.get());
+  httpChan->SetRemoteChannel();
 
   if (originalUri)
     httpChan->SetOriginalURI(originalUri);
diff --git a/netwerk/protocol/http/src/nsHttpChannel.h b/netwerk/protocol/http/src/nsHttpChannel.h
index fb0baf37cf24..a3bb2853648c 100644
--- a/netwerk/protocol/http/src/nsHttpChannel.h
+++ b/netwerk/protocol/http/src/nsHttpChannel.h
@@ -129,6 +129,7 @@ public:
 public: /* internal necko use only */ 
     typedef void (nsHttpChannel:: *nsAsyncCallback)(void);
     nsHttpResponseHead * GetResponseHead() const { return mResponseHead; }
+    void SetRemoteChannel() { mRemoteChannel = 1; }
 
     nsresult SetReferrerInternal(nsIURI *referrer) {
         nsCAutoString spec;
@@ -351,6 +352,8 @@ private:
     // headers. In such a case we must not override them in the cache code
     // and also we want to pass possible 304 code response through.
     PRUint32                          mCustomConditionalRequest : 1;
+    // True iff this channel is servicing a remote HttpChannelChild
+    PRUint32                          mRemoteChannel : 1;
 
     class nsContentEncodings : public nsIUTF8StringEnumerator
     {