diff --git a/Modules/selectmodule.c b/Modules/selectmodule.c
index 086a647..5192ce7 100644
--- a/Modules/selectmodule.c
+++ b/Modules/selectmodule.c
@@ -47,7 +47,7 @@
 #endif
 
 #ifdef MS_WINDOWS
-#  include <winsock.h>
+#  include <winsock2.h>
 #else
 #  define SOCKET int
 #  ifdef __BEOS__