diff --git a/odex25_hr/hr_base/models/hr_base.py b/odex25_hr/hr_base/models/hr_base.py
index 655c3d4e9..e7ddcb591 100644
--- a/odex25_hr/hr_base/models/hr_base.py
+++ b/odex25_hr/hr_base/models/hr_base.py
@@ -31,16 +31,23 @@ class HrEmployee(models.Model):
     def _default_emp_code(self):
         seq = self.env['ir.sequence'].next_by_code('hr.employee') or '/'
         emp_seq = self.env['hr.employee'].search([('active', 'in', [False, True])])
-        max_number = max(
-            (int(emp.emp_no) for emp in emp_seq if emp.emp_no and emp.emp_no.isdigit()),
-            default=0
-        )
+
+        max_number = 0
+        for emp in emp_seq:
+            if emp.emp_no and emp.emp_no.isdigit():
+                try:
+                    num = int(emp.emp_no)
+                    if num > max_number and num < 2000000000:
+                        max_number = num
+                except ValueError:
+                    continue
+
         seq_number = int(seq) if str(seq).isdigit() else 0
         if seq_number != (max_number + 1):
             currnt_sequence = self.env['ir.sequence'].search([('code', '=', 'hr.employee')], limit=1)
             if currnt_sequence:
-                safe_number = min(max_number + 1, 2147483647)
-                currnt_sequence.write({'number_next_actual': safe_number})
+                safe_next = min(max_number + 1, 1999999999)
+                currnt_sequence.sudo().write({'number_next_actual': safe_next})
                 seq = self.env['ir.sequence'].next_by_code('hr.employee') or '/'
 
         return str(seq)