diff --git a/addons/hr_holidays/i18n/hr_holidays.pot b/addons/hr_holidays/i18n/hr_holidays.pot
index 750e38af69f03414d9a559b3794add64efda6bc8..5a3882217ea8fa4b249f8037a156d4233ee2cbeb 100644
--- a/addons/hr_holidays/i18n/hr_holidays.pot
+++ b/addons/hr_holidays/i18n/hr_holidays.pot
@@ -4058,6 +4058,13 @@ msgid ""
 "You don't have the rights to apply second approval on a time off request"
 msgstr ""
 
+#. module: hr_holidays
+#: code:addons/hr_holidays/models/hr_leave.py:0
+#, python-format
+msgid ""
+"You must be %s\'s Manager to approve this leave"
+msgstr ""
+
 #. module: hr_holidays
 #: code:addons/hr_holidays/models/hr_leave.py:0
 #, python-format
diff --git a/addons/hr_holidays/models/hr_leave.py b/addons/hr_holidays/models/hr_leave.py
index d2c7a78a8b300d9dac83958073d07aa6fed1f23c..278cc0b8b1ecaa3ee0ff51e9c1ccae1bd6f09937 100644
--- a/addons/hr_holidays/models/hr_leave.py
+++ b/addons/hr_holidays/models/hr_leave.py
@@ -1414,10 +1414,13 @@ class HolidaysRequest(models.Model):
                     if holiday.employee_id == current_employee:
                         raise UserError(_('Only a Time Off Manager can approve/refuse its own requests.'))
 
-                    if (state == 'validate1' and val_type == 'both') or (state == 'validate' and val_type == 'manager') and holiday.holiday_type == 'employee':
+                    if (state == 'validate1' and val_type == 'both') and holiday.holiday_type == 'employee':
                         if not is_officer and self.env.user != holiday.employee_id.leave_manager_id:
                             raise UserError(_('You must be either %s\'s manager or Time off Manager to approve this leave') % (holiday.employee_id.name))
 
+                    if (state == 'validate' and val_type == 'manager') and self.env.user != holiday.employee_id.leave_manager_id:
+                        raise UserError(_('You must be %s\'s Manager to approve this leave', holiday.employee_id.name))
+
                     if not is_officer and (state == 'validate' and val_type == 'hr') and holiday.holiday_type == 'employee':
                         raise UserError(_('You must either be a Time off Officer or Time off Manager to approve this leave'))