diff --git a/addons/mail/__manifest__.py b/addons/mail/__manifest__.py
index 620176edcf4..fc30295d663 100644
--- a/addons/mail/__manifest__.py
+++ b/addons/mail/__manifest__.py
@@ -70,6 +70,7 @@
             'web/static/src/legacy/scss/bootstrap_review.scss',
             'web/static/src/webclient/webclient.scss',
             'web/static/src/webclient/webclient_extra.scss',
+            'web/static/src/core/utils/*.scss',
             # Dependency of notification_group, notification_request, thread_needaction_preview and thread_preview
             'mail/static/src/components/notification_list/notification_list_item.scss',
             'mail/static/src/component_hooks/*/*.js',
@@ -90,7 +91,7 @@
             'bus/static/src/js/services/bus_service.js',
             'web/static/lib/luxon/luxon.js',
             'web/static/lib/py.js/lib/py.js',
-            'web/static/src/core/**/*.js',
+            'web/static/src/core/**/*',
             ('remove', 'web/static/src/core/debug/**/*.[js][scss]'),
             'web/static/src/env.js',
             'web/static/src/legacy/js/_deprecated/basic_fields.js',
diff --git a/addons/mail/static/src/public/discuss_public_boot.js b/addons/mail/static/src/public/discuss_public_boot.js
index a39574a4c9c..31b9c21c2b7 100644
--- a/addons/mail/static/src/public/discuss_public_boot.js
+++ b/addons/mail/static/src/public/discuss_public_boot.js
@@ -5,6 +5,7 @@ import { MessagingService } from '@mail/services/messaging/messaging';
 import { getMessagingComponent } from '@mail/utils/messaging_component';
 
 import { processTemplates } from '@web/core/assets';
+import { MainComponentsContainer } from '@web/core/main_components_container';
 import { registry } from '@web/core/registry';
 import { makeEnv, startServices } from '@web/env';
 import { session } from '@web/session';
@@ -58,6 +59,7 @@ export async function boot() {
             autofetchPartnerImStatus: false,
         },
     }));
+    await owl.mount(MainComponentsContainer, { env, target: document.body });
 
     async function createThreadViewFromChannelData(channelData) {
         const messaging = await owl.Component.env.services.messaging.get();