diff --git a/deps/miniupnpc/miniupnpc.c b/deps/miniupnpc/miniupnpc.c
index abdce5ac9e..3ed02b7a7a 100644
--- a/deps/miniupnpc/miniupnpc.c
+++ b/deps/miniupnpc/miniupnpc.c
@@ -46,7 +46,9 @@
 #endif
 #include <strings.h>
 #include <errno.h>
+#ifndef closesocket
 #define closesocket close
+#endif
 #endif /* #else _WIN32 */
 #ifdef __GNU__
 #define MAXHOSTNAMELEN 64