diff -r 1faa8edb5ae3 -r 64719f6933d4 web/views/actions.py
--- a/web/views/actions.py	Thu Oct 13 09:44:14 2011 +0200
+++ b/web/views/actions.py	Thu Oct 13 10:24:27 2011 +0200
@@ -147,7 +147,7 @@
 class ModifyAction(action.Action):
     __regid__ = 'edit'
     __select__ = (action.Action.__select__
-                  & one_line_rset() & has_editable_relation('add'))
+                  & one_line_rset() & has_editable_relation())
 
     title = _('modify')
     category = 'mainactions'