diff --git a/model/ndn-l3-protocol.cc b/model/ndn-l3-protocol.cc
index 315ad63..a32c7fa 100644
--- a/model/ndn-l3-protocol.cc
+++ b/model/ndn-l3-protocol.cc
@@ -59,6 +59,7 @@
 {
   static TypeId tid = TypeId ("ns3::ndn::L3Protocol")
     .SetGroupName ("ndn")
+    .SetParent<Object> ()
     .AddConstructor<L3Protocol> ()
     .AddAttribute ("FaceList", "List of faces associated with ndn stack",
                    ObjectVectorValue (),