--- a/examples/wireless/wifi-clear-channel-cmu.cc	Fri Sep 26 12:44:13 2014 -0700
+++ b/examples/wireless/wifi-clear-channel-cmu.cc	Fri Sep 26 15:51:00 2014 -0700
@@ -30,9 +30,9 @@
 #include <vector>
 #include <string>
 
-NS_LOG_COMPONENT_DEFINE ("Main");
+using namespace ns3;
 
-using namespace ns3;
+NS_LOG_COMPONENT_DEFINE ("Main");
 
 class Experiment
 {