diff --git a/addons/hr_contract/models/hr_employee_public.py b/addons/hr_contract/models/hr_employee_public.py
index bfa34b0636c..89648236fe5 100644
--- a/addons/hr_contract/models/hr_employee_public.py
+++ b/addons/hr_contract/models/hr_employee_public.py
@@ -7,4 +7,4 @@ from odoo import fields, models
 class HrEmployeePublic(models.Model):
     _inherit = "hr.employee.public"
 
-    first_contract_date = fields.Date(related='employee_id.first_contract_date', groups="base.group_user")
+    first_contract_date = fields.Date(readonly=True, groups="base.group_user")