--- a/src/wifi/model/block-ack-agreement.cc	Fri Sep 26 12:44:13 2014 -0700
+++ b/src/wifi/model/block-ack-agreement.cc	Fri Sep 26 15:51:00 2014 -0700
@@ -20,9 +20,9 @@
 #include "block-ack-agreement.h"
 #include "ns3/log.h"
 
-NS_LOG_COMPONENT_DEFINE ("BlockAckAgreement");
+namespace ns3 {
 
-namespace ns3 {
+NS_LOG_COMPONENT_DEFINE ("BlockAckAgreement");
 
 BlockAckAgreement::BlockAckAgreement ()
   : m_amsduSupported (0),