diff --git a/addons/mrp_repair/mrp_repair.py b/addons/mrp_repair/mrp_repair.py
index 9132094bf97..74085debad7 100644
--- a/addons/mrp_repair/mrp_repair.py
+++ b/addons/mrp_repair/mrp_repair.py
@@ -395,7 +395,7 @@ class mrp_repair(osv.osv):
                         'origin':repair.name,
                         'type': 'out_invoice',
                         'account_id': account_id,
-                        'partner_id': repair.partner_id.id,
+                        'partner_id': repair.partner_invoice_id.id or repair.partner_id.id,
                         'currency_id': repair.pricelist_id.currency_id.id,
                         'comment': repair.quotation_notes,
                         'fiscal_position': repair.partner_id.property_account_position.id