--- a/src/helper/ping6-helper.h	Wed Sep 16 15:27:54 2009 +0100
+++ b/src/helper/ping6-helper.h	Wed Sep 16 18:56:29 2009 +0200
@@ -22,10 +22,12 @@
 #define PING6_HELPER_H
 
 #include <stdint.h>
+
+#include "ns3/object-factory.h"
+#include "ns3/ipv6-address.h"
+
 #include "application-container.h"
 #include "node-container.h"
-#include "ns3/object-factory.h"
-#include "ns3/ipv6-address.h"
 
 namespace ns3 {