--- a/src/node/node-list.cc	Mon Apr 14 16:19:17 2008 -0700
+++ b/src/node/node-list.cc	Thu Apr 17 13:42:25 2008 -0700
@@ -62,7 +62,7 @@
   static TypeId tid = TypeId ("ns3::NodeListPriv")
     .SetParent<Object> ()
     .AddAttribute ("NodeList", "The list of all nodes created during the simulation.",
-                   ObjectVector (),
+                   ObjectVectorValue (),
                    MakeObjectVectorAccessor (&NodeListPriv::m_nodes),
                    MakeObjectVectorChecker<Node> ())
     ;