diff --git a/models/ur_month_timesheet.py b/models/ur_month_timesheet.py
index 2a0c223b4193204656e01a65eeb63ad0061f4218..39d2181a00ee6988d68df3e3e2250056008510e1 100644
--- a/models/ur_month_timesheet.py
+++ b/models/ur_month_timesheet.py
@@ -36,7 +36,7 @@ class ScopMonthTimesheet(models.Model):
         return self.env["res.company"]._ur_default_get()
 
     year = fields.Selection(
-        selection=get_years(), string="Année", default=fields.Date.today().year
+        selection=get_years(), string="Année", default=str(fields.Date.today().year)
     )
     month = fields.Selection(selection=MONTHS, string="Mois")
     company_id = fields.Many2one(