diff --git a/addons/mail/models/mail_thread.py b/addons/mail/models/mail_thread.py
index 3be59000..dde6a1da 100644
--- a/addons/mail/models/mail_thread.py
+++ b/addons/mail/models/mail_thread.py
@@ -2611,11 +2611,7 @@ class MailThread(models.AbstractModel):
         for group_name, group_func, group_data in groups:
             group_data.setdefault('notification_group_name', group_name)
             group_data.setdefault('notification_is_customer', False)
-            is_thread_notification = msg_vals and (
-                    msg_vals.get('model', self._name) != 'mail.thread' and
-                    (msg_vals.get('res_id', self.ids[0] if self.ids else False) is not False)
-            )
-            group_data.setdefault('has_button_access', is_thread_notification)
+            group_data.setdefault('has_button_access', True)
             group_button_access = group_data.setdefault('button_access', {})
             group_button_access.setdefault('url', access_link)
             group_button_access.setdefault('title', view_title)