diff --git a/web_responsive/models/inherited_res_users.py b/web_responsive/models/inherited_res_users.py
index f584a7a2..7b80a979 100644
--- a/web_responsive/models/inherited_res_users.py
+++ b/web_responsive/models/inherited_res_users.py
@@ -12,7 +12,6 @@ class ResUsers(models.Model):
         ('sided', 'Sided'),
     ], string="Chatter Position", default='normal')
 
-
     def __init__(self, pool, cr):
         """ Override of __init__ to add access rights.
         Access rights are disabled by default, but allowed on some specific
diff --git a/web_responsive/tests/__init__.py b/web_responsive/tests/__init__.py
index 6dab214a..cabee067 100644
--- a/web_responsive/tests/__init__.py
+++ b/web_responsive/tests/__init__.py
@@ -1 +1,2 @@
 from . import test_ui
+from . import test_res_users
diff --git a/web_responsive/tests/test_res_users.py b/web_responsive/tests/test_res_users.py
new file mode 100644
index 00000000..e835b310
--- /dev/null
+++ b/web_responsive/tests/test_res_users.py
@@ -0,0 +1,15 @@
+# Copyright 2018 Alexandre Díaz
+# License LGPL-3.0 or later (http://www.gnu.org/licenses/lgpl.html).
+
+from odoo.tests import common
+
+class TestResUsers(common.TransactionCase):
+
+    def test_chatter_position_wr(self):
+        user_public = self.env.ref('base.public_user')
+
+        self.assertEqual(user_public.chatter_position, 'normal')
+        user_public.sudo(user_public).write({
+            'chatter_position': 'sided',
+        })
+        self.assertEqual(user_public.chatter_position, 'sided')