diff --git a/rfb/rfbproto.h b/rfb/rfbproto.h
index fe46c3e..540f79f 100644
--- a/rfb/rfbproto.h
+++ b/rfb/rfbproto.h
@@ -65,7 +65,7 @@
 #define LIBVNCSERVER_WORDS_BIGENDIAN
 #define rfbBool int
 #include <sys/timeb.h>
-#include <winsock.h>
+#include <winsock2.h>
 #undef SOCKET
 #define SOCKET int
 #else