diff --git a/addons/purchase/purchase.py b/addons/purchase/purchase.py
index 9d14a8d2ed1..9ddee1364d8 100644
--- a/addons/purchase/purchase.py
+++ b/addons/purchase/purchase.py
@@ -860,6 +860,7 @@ class ProcurementOrder(models.Model):
                         'price_unit': price_unit,
                         'procurement_ids': [(4, procurement.id)]
                     })
+                    break
             if not po_line:
                 vals = procurement._prepare_purchase_order_line(po, supplier)
                 self.env['purchase.order.line'].create(vals)