--- a/src/helper/yans-wifi-helper.cc	Fri Feb 25 09:31:08 2011 -0800
+++ b/src/helper/yans-wifi-helper.cc	Fri Feb 25 10:32:35 2011 -0800
@@ -18,7 +18,7 @@
  * Author: Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
  */
 
-#include "trace-helper.h"
+#include "ns3/trace-helper.h"
 #include "yans-wifi-helper.h"
 #include "ns3/error-rate-model.h"
 #include "ns3/propagation-loss-model.h"