diff --git a/yuthon_hr_attendance/models/overtime_approval.py b/yuthon_hr_attendance/models/overtime_approval.py
index e99d4821b..584af9a7b 100644
--- a/yuthon_hr_attendance/models/overtime_approval.py
+++ b/yuthon_hr_attendance/models/overtime_approval.py
@@ -111,7 +111,7 @@ class OvertimeApprovals(models.Model):
                 max_hours = 8.0
             rec.duration = min(calculated_hours, max_hours)
 
-            employee = rec.user_id.employee_id
+            employee = rec.users_id.employee_id
             if not employee:
                 rec.duration = calculated_hours
                 continue