diff --git a/mail_environment/__openerp__.py b/mail_environment/__openerp__.py
index cb5dca0..f51cb97 100644
--- a/mail_environment/__openerp__.py
+++ b/mail_environment/__openerp__.py
@@ -66,6 +66,6 @@ password = openerp
                 ],
     'data': ['mail_view.xml'],
     'demo': [],
-    'installable': True,
+    'installable': False,
     'active': False,
 }