diff --git a/os/ypsocks.c b/os/ypsocks.c
index 64f1b37ac..045e9bce1 100755
--- a/os/ypsocks.c
+++ b/os/ypsocks.c
@@ -68,7 +68,10 @@
 #include <sys/param.h>
 #endif
 #endif
-
+#ifdef _WIN32
+//#include <ws2tcpip.h>
+typedef int socklen_t;
+#endif
 /* make sure we can compile in any platform */
 #ifndef AF_UNSPEC
 #define AF_UNSPEC 0