--- a/src/internet-stack/ipv4-interface.cc	Fri Jun 26 15:25:51 2009 +0200
+++ b/src/internet-stack/ipv4-interface.cc	Fri Jun 26 15:27:39 2009 +0200
@@ -43,7 +43,7 @@
                    "The arp cache for this ipv4 interface",
                    PointerValue (0),
                    MakePointerAccessor (&Ipv4Interface::m_cache),
-                   MakePointerChecker<Ipv4Interface> ())
+                   MakePointerChecker<ArpCache> ())
     ;
     ;
   return tid;