diff --git a/src/network/access/qnetworkreplyhttpimpl.cpp b/src/network/access/qnetworkreplyhttpimpl.cpp
index 54868836b6..c9ec287c2c 100644
--- a/src/network/access/qnetworkreplyhttpimpl.cpp
+++ b/src/network/access/qnetworkreplyhttpimpl.cpp
@@ -1569,7 +1569,7 @@ void QNetworkReplyHttpImplPrivate::_q_startOperation()
 
         if (session) {
             QObject::connect(session, SIGNAL(error(QNetworkSession::SessionError)),
-                             q, SLOT(_q_networkSessionFailed()));
+                             q, SLOT(_q_networkSessionFailed()), Qt::QueuedConnection);
 
             if (!session->isOpen()) {
                 session->setSessionProperty(QStringLiteral("ConnectInBackground"), isBackground);