diff --git a/hr_timesheet_sheet/models/hr_timesheet_sheet.py b/hr_timesheet_sheet/models/hr_timesheet_sheet.py
index 69b79018a..7474c6198 100644
--- a/hr_timesheet_sheet/models/hr_timesheet_sheet.py
+++ b/hr_timesheet_sheet/models/hr_timesheet_sheet.py
@@ -392,10 +392,10 @@ def unlink(self):
         return super().unlink()
 
     def _timesheet_subscribe_users(self):
-        for sheet in self:
-            if sheet.employee_id.parent_id.user_id:
-                self.message_subscribe_users(
-                    user_ids=[sheet.employee_id.parent_id.user_id.id])
+        for sheet in self.sudo():
+            manager = sheet.employee_id.parent_id.user_id.partner_id
+            if manager:
+                self.message_subscribe(partner_ids=manager.ids)
 
     @api.multi
     def action_timesheet_draft(self):
diff --git a/hr_timesheet_sheet/tests/test_hr_timesheet_sheet.py b/hr_timesheet_sheet/tests/test_hr_timesheet_sheet.py
index 761f0e702..872b31ab5 100644
--- a/hr_timesheet_sheet/tests/test_hr_timesheet_sheet.py
+++ b/hr_timesheet_sheet/tests/test_hr_timesheet_sheet.py
@@ -62,9 +62,16 @@ def setUp(self):
              'company_ids': [(4, self.company_2.id)],
              })
 
+        employee_manager = self.employee_model.create({
+            'name': "Test Manager",
+            'user_id': self.user_2.id,
+            'company_id': self.user.company_id.id,
+        })
+
         self.employee = self.employee_model.create({
             'name': "Test User",
             'user_id': self.user.id,
+            'parent_id': employee_manager.id,
             'company_id': self.user.company_id.id,
         })