diff --git a/hr_employee_second_lastname/models/hr_employee.py b/hr_employee_second_lastname/models/hr_employee.py
index edf085ccdda..5a1ce0c9068 100644
--- a/hr_employee_second_lastname/models/hr_employee.py
+++ b/hr_employee_second_lastname/models/hr_employee.py
@@ -75,7 +75,7 @@ def _prepare_vals_on_write_firstname_lastname(self, vals):
     def _update_partner_firstname(self):
         for employee in self:
             partners = employee.mapped("user_id.partner_id")
-            partners |= employee.mapped("address_home_id")
+            partners |= employee.mapped("work_contact_id")
             partners.write(
                 {
                     "firstname": employee.firstname,
diff --git a/hr_employee_second_lastname/tests/test_hr_employee_second_lastname.py b/hr_employee_second_lastname/tests/test_hr_employee_second_lastname.py
index 8f1ff1eb329..ecbfa983d42 100644
--- a/hr_employee_second_lastname/tests/test_hr_employee_second_lastname.py
+++ b/hr_employee_second_lastname/tests/test_hr_employee_second_lastname.py
@@ -103,6 +103,14 @@ def test_auto_init_name(self):
         self.assertEqual(employee_without_name, self.employee_model)
 
     def test_change_name(self):
+        is_partner_lastname_installed = (
+            self.employee_model._is_partner_firstname_installed()
+        )
+        work_contact = self.employee1_id.work_contact_id
+        if is_partner_lastname_installed:
+            self.assertEqual(self.employee1_id.firstname, work_contact.firstname)
+            self.assertEqual(self.employee1_id.lastname, work_contact.lastname)
+            self.assertEqual(self.employee1_id.lastname2, work_contact.lastname2)
         self.employee1_id.write({"name": "Pedro Martinez Torres"})
         self.employee1_id.invalidate_recordset()
 
@@ -110,6 +118,12 @@ def test_change_name(self):
         self.assertEqual(self.employee1_id.lastname, "Martinez")
         self.assertEqual(self.employee1_id.lastname2, "Torres")
 
+        if is_partner_lastname_installed:
+            work_contact.invalidate_recordset(["firstname", "lastname", "lastname2"])
+            self.assertEqual(work_contact.firstname, "Pedro")
+            self.assertEqual(work_contact.lastname, "Martinez")
+            self.assertEqual(work_contact.lastname2, "Torres")
+
     def test_change_name_with_space(self):
         self.employee1_id.write({"name": "  Jean-Pierre Carnaud-Eyck"})
         self.employee1_id.invalidate_recordset()