diff --git a/bin/osv/orm.py b/bin/osv/orm.py
index 48adc8f9a99..2982b5ad4d0 100644
--- a/bin/osv/orm.py
+++ b/bin/osv/orm.py
@@ -1192,7 +1192,7 @@ class orm_memory(orm_template):
         res = ir_values_obj.get(cr, uid, 'default', False, [self._name])
         for id, field, field_value in res:
             if field in fields_list:
-                fld_def = (field in self._columns)
+                fld_def = (field in self._columns) and self._columns[field] or self._inherit_fields[field][2]
                 if fld_def._type in ('many2one', 'one2one'):
                     obj = self.pool.get(fld_def._obj)
                     if not obj.search(cr, uid, [('id', '=', field_value)]):