--- a/src/lte/model/lte-ue-net-device.cc	Mon Nov 05 17:35:49 2012 +0100
+++ b/src/lte/model/lte-ue-net-device.cc	Tue Nov 06 11:32:51 2012 +0100
@@ -119,6 +119,8 @@
   m_rrc = 0;
   m_phy->Dispose ();
   m_phy = 0;
+  m_nas->Dispose ();
+  m_nas = 0;
   LteNetDevice::DoDispose ();
 }