diff --git a/addons/purchase_manual/__terp__.py b/addons/purchase_manual/__terp__.py
index d9c3087c86c..885ac4d9d98 100644
--- a/addons/purchase_manual/__terp__.py
+++ b/addons/purchase_manual/__terp__.py
@@ -37,6 +37,6 @@
     'demo_xml': [],
     'installable': True,
     'active': False,
-    'certificate': False,
+#    'certificate': False,
 }
 # vim:expandtab:smartindent:tabstop=4:softtabstop=4:shiftwidth=4: