diff --git a/include/hamlib/rig.h b/include/hamlib/rig.h
index bb4a12c2a..8d96c44d8 100644
--- a/include/hamlib/rig.h
+++ b/include/hamlib/rig.h
@@ -43,6 +43,7 @@
 
 // to stop warnings about including winsock2.h before windows.h
 #if defined(_WIN32)
+#include <windows.h>
 #include <winsock2.h>
 #include <ws2tcpip.h>
 #else