diff --git a/channels/iax2-provision.c b/channels/iax2-provision.c
index 2aa31f9415..b49ea164d9 100755
--- a/channels/iax2-provision.c
+++ b/channels/iax2-provision.c
@@ -34,6 +34,10 @@
 #include "iax2-provision.h"
 #include "iax2-parser.h"
 
+#ifndef IPTOS_MINCOST
+#define IPTOS_MINCOST 0x02
+#endif
+
 static int provinit = 0;
 
 struct iax_template {