diff -r 0aaf74c6305b -r 0048668779c0 virtualenv/web/res/res_create_env.py
--- a/virtualenv/web/res/res_create_env.py	Wed Jul 10 18:16:59 2013 +0200
+++ b/virtualenv/web/res/res_create_env.py	Thu Jul 04 17:57:26 2013 +0200
@@ -27,6 +27,7 @@
     'SQLALCHEMY',
     'RDFLIB-SQLALCHEMY',
     'WIKITOOLS',
+    'MPTT',
 ]
 
 if system_str == "Linux":