--- a/src/mobility/hierarchical-mobility-model.cc	Tue Jan 15 12:43:07 2008 +0100
+++ b/src/mobility/hierarchical-mobility-model.cc	Tue Jan 15 12:44:09 2008 +0100
@@ -27,9 +27,9 @@
 TypeId 
 HierarchicalMobilityModel::GetTypeId (void)
 {
-  static TypeId iid = TypeId ("HierarchicalMobilityModel")
+  static TypeId tid = TypeId ("HierarchicalMobilityModel")
     .SetParent<MobilityModel> ();
-  return iid;
+  return tid;
 }
 
 HierarchicalMobilityModel::HierarchicalMobilityModel (Ptr<MobilityModel> child, Ptr<MobilityModel> parent)