diff --git a/addons/website_slides/views/slide_channel_views.xml b/addons/website_slides/views/slide_channel_views.xml
index 1354db37116..3061aacc0bf 100644
--- a/addons/website_slides/views/slide_channel_views.xml
+++ b/addons/website_slides/views/slide_channel_views.xml
@@ -6,7 +6,7 @@
             <field name="name">slide.channel.view.form</field>
             <field name="model">slide.channel</field>
             <field name="arch" type="xml">
-                <form string="Channels">
+                <form string="Channels" js_class="legacy_form">
                     <header>
                         <button name="action_channel_invite" string="Invite" type="object" class="oe_highlight" attrs="{'invisible': [('enroll', '!=', 'invite')]}"/>
                     </header>