diff --git a/addons/account/account_move_line.py b/addons/account/account_move_line.py
index e0b0fb3de58..eb977c78408 100644
--- a/addons/account/account_move_line.py
+++ b/addons/account/account_move_line.py
@@ -1021,7 +1021,7 @@ class account_move_line(osv.osv):
                 attrs.append("context=\"{'journal_id': journal_id}\"")
 
             elif field == 'account_id' and journal.id:
-                attrs.append('domain="[(\'journal_id\', \'=\', '+str(journal.id)+'),(\'type\',\'<>\',\'view\'), (\'type\',\'<>\',\'closed\')]" on_change="onchange_account_id(account_id, partner_id)"')
+                attrs.append('domain="[(\'journal_id\', \'=\', journal_id),(\'type\',\'<>\',\'view\'), (\'type\',\'<>\',\'closed\')]" on_change="onchange_account_id(account_id, partner_id)"')
 
             elif field == 'partner_id':
                 attrs.append('on_change="onchange_partner_id(move_id, partner_id, account_id, debit, credit, date, journal_id)"')