diff --git a/addons/mail/models/mail_activity_mixin.py b/addons/mail/models/mail_activity_mixin.py
index 5c599b70ecf..62f444a6c2f 100644
--- a/addons/mail/models/mail_activity_mixin.py
+++ b/addons/mail/models/mail_activity_mixin.py
@@ -353,6 +353,9 @@ class MailActivityMixin(models.AbstractModel):
         It is useful to avoid having various "env.ref" in the code and allow
         to let the mixin handle access rights.
 
+        Note that unless specified otherwise in act_values, the activities created
+        will have their "automated" field set to True.
+
         :param date_deadline: the day the activity must be scheduled on
         the timezone of the user must be considered to set the correct deadline
         """
diff --git a/addons/mail/tests/test_mail_activity.py b/addons/mail/tests/test_mail_activity.py
index 61169d704fb..f5c0cd42b82 100644
--- a/addons/mail/tests/test_mail_activity.py
+++ b/addons/mail/tests/test_mail_activity.py
@@ -89,6 +89,7 @@ class ActivityScheduleCase(MailCommon):
                     **{template.activity_type_id.delay_unit: template.activity_type_id.delay_count}))
             self.assertEqual(activity.note, template.note)
             self.assertEqual(activity.summary, template.summary)
+            self.assertFalse(activity.automated)
             if force_responsible_id:
                 self.assertEqual(activity.user_id, force_responsible_id)
             else:
diff --git a/addons/mail/wizard/mail_activity_schedule.py b/addons/mail/wizard/mail_activity_schedule.py
index 30792319a12..8e784e921ac 100644
--- a/addons/mail/wizard/mail_activity_schedule.py
+++ b/addons/mail/wizard/mail_activity_schedule.py
@@ -215,6 +215,7 @@ class MailActivitySchedule(models.TransientModel):
                     template.activity_type_id, force_base_date=self.plan_date_deadline)
                 record.activity_schedule(
                     activity_type_id=template.activity_type_id.id,
+                    automated=False,
                     summary=template.summary,
                     note=template.note,
                     user_id=responsible.id,
@@ -294,6 +295,7 @@ class MailActivitySchedule(models.TransientModel):
     def _action_schedule_activities(self):
         return self._get_applied_on_records().activity_schedule(
             activity_type_id=self.activity_type_id.id,
+            automated=False,
             summary=self.summary,
             note=self.note,
             user_id=self.activity_user_id.id,
diff --git a/addons/test_mail/tests/test_mail_activity_plan.py b/addons/test_mail/tests/test_mail_activity_plan.py
index cf97855d70b..561eecfe03a 100644
--- a/addons/test_mail/tests/test_mail_activity_plan.py
+++ b/addons/test_mail/tests/test_mail_activity_plan.py
@@ -91,6 +91,7 @@ class TestActivitySchedule(ActivityScheduleCase):
                 for record in test_records:
                     self.assertActivityCreatedOnRecord(record, {
                         'activity_type_id': self.activity_type_todo,
+                        'automated': False,
                         'date_deadline': self.reference_now.date() + timedelta(days=4),  # activity type delay
                         'note': '<p>Useful link ...</p>',
                         'summary': 'Write specification',
@@ -151,6 +152,7 @@ class TestActivitySchedule(ActivityScheduleCase):
                 for record in test_records:
                     self.assertActivityCreatedOnRecord(record, {
                         'activity_type_id': self.activity_type_call,
+                        'automated': False,
                         'date_deadline': self.reference_now.date() + timedelta(days=5),  # both types delays
                         'note': False,
                         'summary': False,