diff --git a/src/network/kernel/qnetworkproxy_win.cpp b/src/network/kernel/qnetworkproxy_win.cpp
index b633cd9bbd..514b26adc9 100644
--- a/src/network/kernel/qnetworkproxy_win.cpp
+++ b/src/network/kernel/qnetworkproxy_win.cpp
@@ -47,6 +47,8 @@
 #include <qurl.h>
 #include <qnetworkinterface.h>
 #include <qdebug.h>
+#include <qvarlengtharray.h>
+#include <qhash.h>
 
 #include <string.h>
 #include <qt_windows.h>
diff --git a/src/network/socket/qnativesocketengine_win.cpp b/src/network/socket/qnativesocketengine_win.cpp
index 704c10b044..ce2e0e0e1d 100644
--- a/src/network/socket/qnativesocketengine_win.cpp
+++ b/src/network/socket/qnativesocketengine_win.cpp
@@ -52,6 +52,7 @@
 #include <qdatetime.h>
 #include <qnetworkinterface.h>
 #include <qoperatingsystemversion.h>
+#include <qvarlengtharray.h>
 
 #include <algorithm>