diff --git a/lib/private-libwebsockets.h b/lib/private-libwebsockets.h
index 24ee858c..13a67e2f 100644
--- a/lib/private-libwebsockets.h
+++ b/lib/private-libwebsockets.h
@@ -70,6 +70,7 @@
 #endif
 #endif
 #include <winsock2.h>
+#include <wsockcompat.h>
 #include <ws2ipdef.h>
 #include <windows.h>
 #else