--- a/bindings/python/ns3modulegen-modular.py	Wed Mar 30 18:19:25 2011 +0100
+++ b/bindings/python/ns3modulegen-modular.py	Wed Mar 30 18:44:36 2011 +0100
@@ -73,6 +73,8 @@
     root_module.set_name(extension_name)
     root_module.add_include('"ns3/%s-module.h"' % module_name)
 
+    ns3modulegen_core_customizations.add_std_ios_openmode(root_module)
+
     # -----------
     module_apidefs.register_types(root_module)