diff --git a/src/network/bearer/qnetworkconfigmanager_p.cpp b/src/network/bearer/qnetworkconfigmanager_p.cpp
index 6bbea1683c..b963aebbd5 100644
--- a/src/network/bearer/qnetworkconfigmanager_p.cpp
+++ b/src/network/bearer/qnetworkconfigmanager_p.cpp
@@ -75,6 +75,7 @@ QNetworkConfigurationManagerPrivate::~QNetworkConfigurationManagerPrivate()
     QMutexLocker locker(&mutex);
 
     qDeleteAll(sessionEngines);
+    sessionEngines.clear();
     if (bearerThread)
         bearerThread->quit();
 }