diff --git a/odex25_purchase/odex25_annual_purchase/models/annual_rfq.py b/odex25_purchase/odex25_annual_purchase/models/annual_rfq.py
index ee9819349..4082ebcba 100644
--- a/odex25_purchase/odex25_annual_purchase/models/annual_rfq.py
+++ b/odex25_purchase/odex25_annual_purchase/models/annual_rfq.py
@@ -15,7 +15,7 @@ class PurchaseRFQ(models.Model):
     vendor_id = fields.Many2one(
         'res.partner',
         string='Vendor',
-        domain=[('supplier_rank', '>', 0)], required=True
+        domain=[('supplier_rank', '>', 0)]
     )
     partner_id = fields.Many2one(
         'res.partner',