diff --git a/openerp/osv/orm.py b/openerp/osv/orm.py
index 3b9b8f30d23..095e6b6f6c0 100644
--- a/openerp/osv/orm.py
+++ b/openerp/osv/orm.py
@@ -1068,7 +1068,7 @@ class BaseModel(object):
 
         # Validate rec_name
         if self._rec_name is not None:
-            assert self._rec_name in self._columns.keys() + ['id'], "Invalid rec_name %s for model %s" % (self._rec_name, self._name)
+            assert self._rec_name in self._all_columns.keys() + ['id'], "Invalid rec_name %s for model %s" % (self._rec_name, self._name)
         else:
             self._rec_name = 'name'