--- a/bindings/python/ns3_module_onoff.py	Tue Aug 19 17:45:41 2008 +0100
+++ b/bindings/python/ns3_module_onoff.py	Tue Aug 19 17:48:09 2008 +0100
@@ -77,6 +77,7 @@
                    'void', 
                    [], 
                    visibility='private', is_virtual=True)
+    cls.add_copy_constructor()
     return
 
 def register_functions(root_module):