--- a/examples/wireless/mixed-wireless.cc	Mon Oct 25 21:27:03 2010 +0100
+++ b/examples/wireless/mixed-wireless.cc	Mon Oct 25 21:43:38 2010 +0100
@@ -67,6 +67,7 @@
 #include "ns3/mobility-module.h"
 #include "ns3/contrib-module.h"
 #include "ns3/wifi-module.h"
+#include "ns3/olsr-helper.h"
 
 using namespace ns3;