diff --git a/src/network/access/qnetworkaccessmanager.cpp b/src/network/access/qnetworkaccessmanager.cpp
index c65edb66730..397bb0535e4 100644
--- a/src/network/access/qnetworkaccessmanager.cpp
+++ b/src/network/access/qnetworkaccessmanager.cpp
@@ -1185,6 +1185,7 @@ void QNetworkAccessManagerPrivate::clearCache(QNetworkAccessManager *manager)
     if (manager->d_func()->httpThread) {
         // The thread will deleteLater() itself from its finished() signal
         manager->d_func()->httpThread->quit();
+        manager->d_func()->httpThread->wait(5000);
         manager->d_func()->httpThread = 0;
     }
 }
@@ -1194,6 +1195,7 @@ QNetworkAccessManagerPrivate::~QNetworkAccessManagerPrivate()
     if (httpThread) {
         // The thread will deleteLater() itself from its finished() signal
         httpThread->quit();
+        httpThread->wait(5000);
         httpThread = 0;
     }
 }
diff --git a/src/network/access/qnetworkreplyhttpimpl.cpp b/src/network/access/qnetworkreplyhttpimpl.cpp
index 1f456746ae5..a914ee3f04d 100644
--- a/src/network/access/qnetworkreplyhttpimpl.cpp
+++ b/src/network/access/qnetworkreplyhttpimpl.cpp
@@ -904,6 +904,7 @@ void QNetworkReplyHttpImplPrivate::postRequest()
 
         // End the thread. It will delete itself from the finished() signal
         thread->quit();
+        thread->wait(5000);
 
         finished();
     } else {