--- a/src/internet-node/ipv4-l4-demux.h	Fri May 11 10:11:06 2007 +0200
+++ b/src/internet-node/ipv4-l4-demux.h	Fri May 11 18:42:39 2007 +0200
@@ -26,7 +26,7 @@
 #define IPV4_L4_DEMUX_H
 
 #include <list>
-#include "ns3/ns-unknown.h"
+#include "ns3/interface.h"
 #include "ns3/ptr.h"
 
 namespace ns3 {