diff --git a/openerp/models.py b/openerp/models.py
index e2b05b02458..f6128f9435f 100644
--- a/openerp/models.py
+++ b/openerp/models.py
@@ -4176,7 +4176,7 @@ class BaseModel(object):
         # invalidate and mark new-style fields to recompute; do this before
         # setting other fields, because it can require the value of computed
         # fields, e.g., a one2many checking constraints on records
-        recs.modified([u[0] for u in updates])
+        recs.modified(self._fields)
 
         # call the 'set' method of fields which are not classic_write
         upd_todo.sort(lambda x, y: self._columns[x].priority-self._columns[y].priority)