diff --git a/addons/mail/mail_group.py b/addons/mail/mail_group.py
index 24aed942b1b..977608f487e 100644
--- a/addons/mail/mail_group.py
+++ b/addons/mail/mail_group.py
@@ -144,11 +144,19 @@ class mail_group(osv.Model):
             search_ref = self.pool.get('ir.model.data').get_object_reference(cr, uid, 'mail', 'view_message_search')
             params = {
                 'search_view_id': search_ref and search_ref[1] or False,
-                'domain': [('model', '=', 'mail.group'), ('res_id', '=', mail_group_id)],
-                'context': {'default_model': 'mail.group', 'default_res_id': mail_group_id, 'search_default_message_unread': True},
+                'domain': [
+                    ('model', '=', 'mail.group'),
+                    ('res_id', '=', mail_group_id),
+                ],
+                'context': {
+                    'default_model': 'mail.group',
+                    'default_res_id': mail_group_id,
+                },
                 'res_model': 'mail.message',
                 'thread_level': 1,
-                'header_description': self._generate_header_description(cr, uid, group, context=context)
+                'header_description': self._generate_header_description(cr, uid, group, context=context),
+                'view_mailbox': True,
+                'compose_placeholder': 'Send a message to the group',
             }
             cobj = self.pool.get('ir.actions.client')
             newref = cobj.copy(cr, SUPERUSER_ID, ref[1], default={'params': str(params), 'name': vals['name']}, context=context)
diff --git a/addons/mail/mail_group_view.xml b/addons/mail/mail_group_view.xml
index 77c0b8f6c86..5ccee40d5c7 100644
--- a/addons/mail/mail_group_view.xml
+++ b/addons/mail/mail_group_view.xml
@@ -7,7 +7,6 @@
             <field name="tag">mail.wall</field>
             <field name="res_model">mail.message</field>
             <field name="context">{
-              'search_default_message_unread': True
             }</field>
             <field name="params">{
                 'read_action': 'read'