--- a/src/common/packet.cc	Wed Jun 04 12:31:23 2008 -0700
+++ b/src/common/packet.cc	Wed Jun 04 16:59:41 2008 -0700
@@ -308,6 +308,7 @@
       Tag *tag = dynamic_cast<Tag *> (constructor ());
       NS_ASSERT (tag != 0);
       os << " ";
+      item.GetTag (*tag);
       tag->Print (os);
       if (i.HasNext ())
         {