diff --git a/miniupnpd/macros.h b/miniupnpd/macros.h
new file mode 100644
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--- /dev/null
+++ b/miniupnpd/macros.h
@@ -0,0 +1,14 @@
+/* $Id: macros.h,v 1.1 2012/04/30 20:37:56 nanard Exp $ */
+/* MiniUPnP project
+ * http://miniupnp.free.fr/ or http://miniupnp.tuxfamily.org/
+ * (c) 2012 Thomas Bernard
+ * This software is subject to the conditions detailed
+ * in the LICENCE file provided within the distribution */
+
+#ifndef __MACROS_H__
+#define __MACROS_H__
+
+#define UNUSED(arg)	(void)(arg)
+
+#endif
+