diff --git a/addons/im_livechat/security/im_livechat_channel_security.xml b/addons/im_livechat/security/im_livechat_channel_security.xml
index 8a2b78ce614..be4753f9d4a 100644
--- a/addons/im_livechat/security/im_livechat_channel_security.xml
+++ b/addons/im_livechat/security/im_livechat_channel_security.xml
@@ -20,6 +20,16 @@
             <field name="users" eval="[(4, ref('base.user_root')), (4, ref('base.user_admin'))]"/>
         </record>
 
+        <record id="im_livechat_rule_manager_read_all_mail_channel" model="ir.rule">
+            <field name="name">Livechat: Administrator: read all livechat channel</field>
+            <field name="model_id" ref="model_mail_channel"/>
+            <field name="groups" eval="[(4, ref('im_livechat_group_manager'))]"/>
+            <field name="domain_force">[('channel_type', '=', 'livechat')]</field>
+            <field name="perm_read" eval="True"/>
+            <field name="perm_create" eval="False"/>
+            <field name="perm_write" eval="False"/>
+            <field name="perm_unlink" eval="False"/>
+        </record>
 
     <data noupdate="1">
         <record id="base.default_user" model="res.users">
diff --git a/addons/mail/security/mail_security.xml b/addons/mail/security/mail_security.xml
index f4493dad93a..3ffe43e35eb 100644
--- a/addons/mail/security/mail_security.xml
+++ b/addons/mail/security/mail_security.xml
@@ -5,6 +5,7 @@
         <record id="mail_channel_rule" model="ir.rule">
             <field name="name">Mail.channel: access only public and joined groups</field>
             <field name="model_id" ref="model_mail_channel"/>
+            <field name="groups" eval="[(4, ref('base.group_user')), (4, ref('base.group_portal')), (4, ref('base.group_public'))]"/>
             <field name="domain_force">['|', '|',
 ('public', '=', 'public'),
 '&amp;', ('public', '=', 'private'), ('channel_partner_ids', 'in', [user.partner_id.id]),