Index: urdf/urdfdom_compatibility.h.in
===================================================================
--- urdf.orig/urdfdom_compatibility.h.in
+++ urdf/urdfdom_compatibility.h.in
@@ -75,9 +75,9 @@ URDF_TYPEDEF_CLASS_POINTER(ModelInterfac
 
 #else // urdfdom <= 0.4
 
-typedef std::shared_ptr<ModelInterface> ModelInterfaceSharedPtr;
-typedef std::shared_ptr<const ModelInterface> ModelInterfaceConstSharedPtr;
-typedef std::weak_ptr<ModelInterface> ModelInterfaceWeakPtr;
+typedef std::shared_ptr<urdf::ModelInterface> ModelInterfaceSharedPtr;
+typedef std::shared_ptr<const urdf::ModelInterface> ModelInterfaceConstSharedPtr;
+typedef std::weak_ptr<urdf::ModelInterface> ModelInterfaceWeakPtr;
 
 #endif // urdfdom > 0.4