diff --git a/addons/point_of_sale/point_of_sale.py b/addons/point_of_sale/point_of_sale.py
index 5c052f5345c..318f159e440 100644
--- a/addons/point_of_sale/point_of_sale.py
+++ b/addons/point_of_sale/point_of_sale.py
@@ -1039,7 +1039,7 @@ class pos_order(osv.osv):
                 values.update({
                     'date': order.date_order[:10],
                     'ref': order.name,
-                    'partner_id': order.partner_id and self.pool.get("res.partner")._find_accounting_partner(order.partner_id).id or False
+                    'partner_id': order.partner_id and self.pool.get("res.partner")._find_accounting_partner(order.partner_id).id or False,
                     'journal_id' : sale_journal_id,
                     'period_id' : period,
                     'move_id' : move_id,