diff --git a/sale_purchase_force_vendor/models/sale_order_line.py b/sale_purchase_force_vendor/models/sale_order_line.py
index 529228eb62d..3a44c4b6aef 100644
--- a/sale_purchase_force_vendor/models/sale_order_line.py
+++ b/sale_purchase_force_vendor/models/sale_order_line.py
@@ -1,4 +1,4 @@
-# Copyright 2022 Tecnativa - Víctor Martínez
+# Copyright 2022-2024 Tecnativa - Víctor Martínez
 # License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl.html).
 
 from odoo import api, fields, models
@@ -35,6 +35,17 @@ def _compute_vendor_id_domain(self):
             )
             item.vendor_id_domain = domain
 
+    def _prepare_force_vendor_product_supplierinfo_vals(self):
+        """We use this method so that we can overwrite it if we need to modify or
+        add a value.
+        """
+        return {
+            "product_tmpl_id": self.product_id.product_tmpl_id.id,
+            "partner_id": self.vendor_id.id,
+            "min_qty": 0,
+            "company_id": self.company_id.id,
+        }
+
     def _prepare_procurement_values(self, group_id=False):
         """Inject in the procurement values the preferred vendor if any, and create
         supplierinfo record for it if it doesn't exist.
@@ -53,14 +64,7 @@ def _prepare_procurement_values(self, group_id=False):
                 suppinfo = (
                     self.env["product.supplierinfo"]
                     .sudo()
-                    .create(
-                        {
-                            "product_tmpl_id": product.product_tmpl_id.id,
-                            "partner_id": self.vendor_id.id,
-                            "min_qty": 0,
-                            "company_id": self.company_id.id,
-                        }
-                    )
+                    .create(self._prepare_force_vendor_product_supplierinfo_vals())
                 )
             res["supplierinfo_id"] = suppinfo
         return res
diff --git a/sale_purchase_force_vendor/tests/common.py b/sale_purchase_force_vendor/tests/common.py
index 54f64f2b124..f4d535c12da 100644
--- a/sale_purchase_force_vendor/tests/common.py
+++ b/sale_purchase_force_vendor/tests/common.py
@@ -1,10 +1,12 @@
-# Copyright 2022 Tecnativa - Víctor Martínez
+# Copyright 2022-2024 Tecnativa - Víctor Martínez
 # License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
 
-from odoo.tests import Form, common
+from odoo.tests import Form
 
+from odoo.addons.base.tests.common import BaseCommon
 
-class TestSalePurchaseForceVendorBase(common.TransactionCase):
+
+class TestSalePurchaseForceVendorBase(BaseCommon):
     @classmethod
     def setUpClass(cls):
         super().setUpClass()
@@ -32,6 +34,9 @@ def setUpClass(cls):
             }
         )
         cls.sale_order = cls._create_sale_order(cls)
+        order_lines = cls.sale_order.order_line
+        cls.sol_a = order_lines.filtered(lambda x: x.product_id == cls.product_a)
+        cls.sol_b = order_lines.filtered(lambda x: x.product_id == cls.product_b)
 
     def _create_sale_order(self):
         order_form = Form(self.env["sale.order"])
diff --git a/sale_purchase_force_vendor/tests/test_sale_purchase_force_vendor.py b/sale_purchase_force_vendor/tests/test_sale_purchase_force_vendor.py
index 098b2f2312a..9e414f0b96d 100644
--- a/sale_purchase_force_vendor/tests/test_sale_purchase_force_vendor.py
+++ b/sale_purchase_force_vendor/tests/test_sale_purchase_force_vendor.py
@@ -17,14 +17,17 @@ def test_misc(self):
     def test_misc_force_vendor_restrict(self):
         self.env.company.sale_purchase_force_vendor_restrict = True
         self.sale_order.action_confirm()
-        line_0 = self.sale_order.order_line[0]
-        partners = self.env["res.partner"].search(line_0.vendor_id_domain)
-        self.assertNotIn(self.partner, partners)
-        self.assertIn(self.vendor_a, partners)
-        self.assertIn(self.vendor_b, partners)
+        partners_sol_a = self.env["res.partner"].search(self.sol_a.vendor_id_domain)
+        self.assertNotIn(self.partner, partners_sol_a)
+        self.assertIn(self.vendor_a, partners_sol_a)
+        self.assertIn(self.vendor_b, partners_sol_a)
+        partners_sol_b = self.env["res.partner"].search(self.sol_b.vendor_id_domain)
+        self.assertNotIn(self.partner, partners_sol_b)
+        self.assertNotIn(self.vendor_a, partners_sol_b)
+        self.assertIn(self.vendor_b, partners_sol_b)
 
     def test_misc_not_force_vendor_restrict(self):
         self.env.company.sale_purchase_force_vendor_restrict = False
         self.sale_order.action_confirm()
-        line_0 = self.sale_order.order_line[0]
-        self.assertEqual(line_0.vendor_id_domain, [])
+        self.assertEqual(self.sol_a.vendor_id_domain, [])
+        self.assertEqual(self.sol_b.vendor_id_domain, [])