diff --git a/purchase_request_operating_unit/wizard/purchase_request_line_make_purchase_order_view.xml b/purchase_request_operating_unit/wizard/purchase_request_line_make_purchase_order_view.xml
index 44daca72a8..76cc2c4227 100644
--- a/purchase_request_operating_unit/wizard/purchase_request_line_make_purchase_order_view.xml
+++ b/purchase_request_operating_unit/wizard/purchase_request_line_make_purchase_order_view.xml
@@ -23,7 +23,7 @@
             <field name="purchase_order_id" position="attributes">
                 <attribute
                     name="domain"
-                >['|', ('operating_unit_id', '=', False), ('operating_unit_id', '=', operating_unit_id)]</attribute>
+                >['&amp;', ('partner_id', '=', supplier_id), '|', ('operating_unit_id', '=', False), ('operating_unit_id', '=', operating_unit_id)]</attribute>
             </field>
         </field>
     </record>