--- a/src/internet/model/tcp-option-rfc793.cc	Fri Sep 26 12:44:13 2014 -0700
+++ b/src/internet/model/tcp-option-rfc793.cc	Fri Sep 26 15:51:00 2014 -0700
@@ -24,9 +24,9 @@
 
 #include "ns3/log.h"
 
-NS_LOG_COMPONENT_DEFINE ("TcpOptionRfc793");
+namespace ns3 {
 
-namespace ns3 {
+NS_LOG_COMPONENT_DEFINE ("TcpOptionRfc793");
 
 NS_OBJECT_ENSURE_REGISTERED (TcpOptionEnd);