diff --git a/src/network/access/qhttpnetworkrequest_p.h b/src/network/access/qhttpnetworkrequest_p.h
index 1ae6015d8d..128e9cd29f 100644
--- a/src/network/access/qhttpnetworkrequest_p.h
+++ b/src/network/access/qhttpnetworkrequest_p.h
@@ -55,6 +55,7 @@
 #ifndef QT_NO_HTTP
 
 #include <private/qhttpnetworkheader_p.h>
+#include <qmetatype.h>
 
 QT_BEGIN_NAMESPACE