--- a/netwerk/protocol/http/nsHttpConnection.cpp
+++ b/netwerk/protocol/http/nsHttpConnection.cpp
@@ -402,17 +402,17 @@ nsHttpConnection::Activate(nsAHttpTransa
     mIdleMonitoring = false;
 
     // set mKeepAlive according to what will be requested
     mKeepAliveMask = mKeepAlive = (caps & NS_HTTP_ALLOW_KEEPALIVE);
 
     // need to handle HTTP CONNECT tunnels if this is the first time if
     // we are tunneling through a proxy
     nsresult rv = NS_OK;
-    if (mConnInfo->UsingConnect() && !mCompletedProxyConnect) {
+    if (mTransaction->ConnectionInfo()->UsingConnect() && !mCompletedProxyConnect) {
         rv = SetupProxyConnect();
         if (NS_FAILED(rv))
             goto failed_activation;
         mProxyConnectInProgress = true;
     }
 
     // Clear the per activation counter
     mCurrentBytesRead = 0;