--- a/src/applications/packet-sink/packet-sink.cc	Wed Dec 09 17:40:12 2009 +0100
+++ b/src/applications/packet-sink/packet-sink.cc	Thu Dec 10 12:40:07 2009 +0100
@@ -79,6 +79,7 @@
 {
   NS_LOG_FUNCTION (this);
   m_socket = 0;
+  m_socketList.clear ();
 
   // chain up
   Application::DoDispose ();