diff --git a/core/libs/tests/GuestSceNet.cpp b/core/libs/tests/GuestSceNet.cpp
index b1f0fe4fb..57d88cfc7 100644
--- a/core/libs/tests/GuestSceNet.cpp
+++ b/core/libs/tests/GuestSceNet.cpp
@@ -1,6 +1,7 @@
 #ifdef _WIN32
 #define WIN32_LEAN_AND_MEAN
 #include <winsock2.h>
+#include <ws2tcpip.h>
 #else
 #include <cerrno>
 #include <netinet/in.h>