diff --git a/libs/miniupnpc/miniupnpc.c b/libs/miniupnpc/miniupnpc.c
index b7ca4f6f86..377923e0e3 100644
--- a/libs/miniupnpc/miniupnpc.c
+++ b/libs/miniupnpc/miniupnpc.c
@@ -4,8 +4,20 @@
  * copyright (c) 2005-2007 Thomas Bernard
  * This software is subjet to the conditions detailed in the
  * provided LICENCE file. */
-#include <stdio.h>
+#define __EXTENSIONS__ 1
+
+#ifndef MACOSX
+#if !defined(_XOPEN_SOURCE) && !defined(__OpenBSD__) && !defined(__NetBSD__)
+#ifndef __cplusplus
+#define _XOPEN_SOURCE 600
+#endif
+#endif
+#ifndef __BSD_VISIBLE
+#define __BSD_VISIBLE 1
+#endif
+#endif
 #include <stdlib.h>
+#include <stdio.h>
 #include <string.h>
 #ifdef WIN32
 /* Win32 Specific includes and defines */