diff --git a/addons/purchase_requisition/models/purchase.py b/addons/purchase_requisition/models/purchase.py
index 5e9686b79f9..64fc26c764c 100644
--- a/addons/purchase_requisition/models/purchase.py
+++ b/addons/purchase_requisition/models/purchase.py
@@ -59,7 +59,7 @@ class PurchaseOrder(models.Model):
 
         self.partner_id = partner.id
         self.fiscal_position_id = fpos.id
-        self.payment_term_id = payment_term.id,
+        self.payment_term_id = payment_term.id
         self.company_id = requisition.company_id.id
         self.currency_id = requisition.currency_id.id
         if not self.origin or requisition.name not in self.origin.split(', '):