#include "common/netstuff.h"
#include "diagnostics.h"
#ifdef USE_WIN32API
-#include <winsock2.h>
-#include <wspiapi.h>
+#if _WIN32_WINNT < 0x0501
+# undef _WIN32_WINNT
+# define _WIN32_WINNT 0x0501
+#endif
+#include <ws2tcpip.h>
#else
#include <netinet/in.h>
#include <arpa/inet.h>