diff --git a/libvncclient/sockets.c b/libvncclient/sockets.c
index c09b555..e32c60e 100644
--- a/libvncclient/sockets.c
+++ b/libvncclient/sockets.c
@@ -38,9 +38,7 @@
 #ifdef WIN32
 #undef SOCKET
 #include <winsock2.h>
-#ifdef MINGW32
 #define EWOULDBLOCK WSAEWOULDBLOCK
-#endif
 #define close closesocket
 #define read(sock,buf,len) recv(sock,buf,len,0)
 #define write(sock,buf,len) send(sock,buf,len,0)