diff --git a/thirdparty/enet/enet/win32.c b/thirdparty/enet/enet/win32.c
index 0953466a3d..5a84228b65 100644
--- a/thirdparty/enet/enet/win32.c
+++ b/thirdparty/enet/enet/win32.c
@@ -9,6 +9,7 @@
 #include <windows.h>
 #include <mmsystem.h>
 #include <ws2ipdef.h>
+#include <ws2tcpip.h>
 
 static enet_uint32 timeBase = 0;