--- a/src/node/udp.cc	Thu May 03 11:08:13 2007 +0200
+++ b/src/node/udp.cc	Thu May 03 12:33:08 2007 +0200
@@ -57,7 +57,7 @@
 }
 
 void
-Udp::Dispose (void)
+Udp::DoDispose (void)
 {
   if (m_endPoints != 0)
     {
@@ -69,6 +69,7 @@
       m_node->Unref ();
       m_node = 0;
     }
+  Ipv4L4Protocol::DoDispose ();
 }
 
 Socket *