diff --git a/addons/account/account_move_line.py b/addons/account/account_move_line.py
index 4d070ed963e..82407dc262c 100644
--- a/addons/account/account_move_line.py
+++ b/addons/account/account_move_line.py
@@ -953,7 +953,7 @@ class account_move_line(osv.osv):
         if context is None:
             context = {}
         company_list = []
-        for line in self.browse(cr, uid, ids, context=context):
+        for line in lines:
             if company_list and not line.company_id.id in company_list:
                 raise osv.except_osv(_('Warning!'), _('To reconcile the entries company should be the same for all entries.'))
             company_list.append(line.company_id.id)