diff --git a/yuthon_hr_attendance/models/yuthon_vacation_reports.py b/yuthon_hr_attendance/models/yuthon_vacation_reports.py
index 4965ec11e..149be4983 100644
--- a/yuthon_hr_attendance/models/yuthon_vacation_reports.py
+++ b/yuthon_hr_attendance/models/yuthon_vacation_reports.py
@@ -243,7 +243,7 @@ class YuthonVacationReports(models.Model):
                 ('vacation_date', '=', last_month)
             ], limit=1)
             if not last_month_report:
-                inherit_lines.unlink()
+                inherit_lines.sudo().unlink()
             else:
                 last_remain = last_month_report.remain_missed_meals or 0.0
                 inherit_lines.write({