diff --git a/src/network/kernel/qdnslookup_win.cpp b/src/network/kernel/qdnslookup_win.cpp
index ba97e64942..9b2c088ee2 100644
--- a/src/network/kernel/qdnslookup_win.cpp
+++ b/src/network/kernel/qdnslookup_win.cpp
@@ -39,6 +39,7 @@
 **
 ****************************************************************************/
 
+#include <winsock2.h>
 #include "qdnslookup_p.h"
 
 #include <qurl.h>