diff --git a/web_notify/models/res_users.py b/web_notify/models/res_users.py
index 718a996b..8a8b9f6a 100644
--- a/web_notify/models/res_users.py
+++ b/web_notify/models/res_users.py
@@ -3,7 +3,7 @@
 # Copyright 2018 Camptocamp
 # License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
 
-from odoo import api, fields, models, _
+from odoo import api, exceptions, fields, models, _, SUPERUSER_ID
 from odoo.addons.web.controllers.main import clean_action
 
 
@@ -48,6 +48,11 @@ class ResUsers(models.Model):
 
     @api.multi
     def _notify_channel(self, channel_name_field, message, title, **options):
+        if (self.env.uid != SUPERUSER_ID
+                and any(user.id != self.env.uid for user in self)):
+            raise exceptions.UserError(
+                _('Sending a notification to another user is forbidden.')
+            )
         if options.get('action'):
             options['action'] = clean_action(options['action'])
         bus_message = {
diff --git a/web_notify/tests/test_res_users.py b/web_notify/tests/test_res_users.py
index 6f4700c9..3a7ab4c1 100644
--- a/web_notify/tests/test_res_users.py
+++ b/web_notify/tests/test_res_users.py
@@ -3,6 +3,7 @@
 # License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
 import json
 
+from odoo import exceptions
 from odoo.tests import common
 from odoo.addons.bus.models.bus import json_dump
 import mock
@@ -100,3 +101,13 @@ class TestResUsers(common.TransactionCase):
             first_pos_call_args = pos_call_args[0]
             self.assertIsInstance(first_pos_call_args, list)
             self.assertEqual(len(users), len(first_pos_call_args))
+
+    def test_notify_other_user(self):
+        other_user = self.env.ref('base.user_demo')
+        other_user_model = self.env['res.users'].sudo(other_user)
+        with self.assertRaises(exceptions.UserError):
+            other_user_model.browse(self.env.uid).notify_info('hello')
+
+    def test_notify_admin_allowed_other_user(self):
+        other_user = self.env.ref('base.user_demo')
+        other_user.notify_info('hello')