diff --git a/src/SFML/Network/Win32/SocketImpl.hpp b/src/SFML/Network/Win32/SocketImpl.hpp
index 7d4162c6..b5758697 100644
--- a/src/SFML/Network/Win32/SocketImpl.hpp
+++ b/src/SFML/Network/Win32/SocketImpl.hpp
@@ -28,6 +28,14 @@
 ////////////////////////////////////////////////////////////
 // Headers
 ////////////////////////////////////////////////////////////
+#ifdef _WIN32_WINDOWS
+    #undef _WIN32_WINDOWS
+#endif
+#ifdef _WIN32_WINNT
+    #undef _WIN32_WINNT
+#endif
+#define _WIN32_WINDOWS 0x0501
+#define _WIN32_WINNT   0x0501
 #include <SFML/Network/Socket.hpp>
 #include <winsock2.h>
 #include <ws2tcpip.h>