--- a/examples/routing/simple-routing-ping6.cc	Wed Mar 02 13:42:28 2011 -0800
+++ b/examples/routing/simple-routing-ping6.cc	Thu Mar 03 19:54:57 2011 +0000
@@ -32,6 +32,7 @@
 #include "ns3/core-module.h"
 #include "ns3/internet-module.h"
 #include "ns3/helper-module.h"
+#include "ns3/csma-module.h"
 #include "ns3/applications-module.h"
 #include "ns3/ipv6-static-routing-helper.h"