diff --git a/src/lte/model/lte-ue-net-device.cc b/src/lte/model/lte-ue-net-device.cc
index 923a7aadc..fa1064deb 100644
--- a/src/lte/model/lte-ue-net-device.cc
+++ b/src/lte/model/lte-ue-net-device.cc
@@ -119,6 +119,8 @@ LteUeNetDevice::DoDispose (void)
   m_rrc = 0;
   m_phy->Dispose ();
   m_phy = 0;
+  m_nas->Dispose ();
+  m_nas = 0;
   LteNetDevice::DoDispose ();
 }