--- a/examples/tcp/tcp-nsc-zoo.cc	Tue Oct 26 18:02:17 2010 +0100
+++ b/examples/tcp/tcp-nsc-zoo.cc	Wed Oct 27 12:05:40 2010 +0100
@@ -34,6 +34,7 @@
 #include "ns3/helper-module.h"
 #include "ns3/node-module.h"
 #include "ns3/simulator-module.h"
+#include "ns3/ipv4-global-routing-helper.h"
 
 using namespace ns3;