diff --git a/bemade_mailcow_blacklist/__manifest__.py b/bemade_mailcow_blacklist/__manifest__.py
index 58b576d..515e756 100644
--- a/bemade_mailcow_blacklist/__manifest__.py
+++ b/bemade_mailcow_blacklist/__manifest__.py
@@ -33,8 +33,11 @@ Main Features:
     ],
     "assets": {
         "web.assets_backend": [
-            "bemade_mailcow_blacklist/static/src/js/mailcow_mailbox.js"
-        ]
+            "bemade_mailcow_blacklist/static/src/js/mailcow_mailbox.js",
+        ],
+        "web.assets_qweb": [
+            "bemade_mailcow_blacklist/static/src/xml/mailcow_mailbox.xml",
+        ],
     },
     'demo': [],
     'installable': True,
diff --git a/bemade_mailcow_blacklist/models/mailcow_mailbox.py b/bemade_mailcow_blacklist/models/mailcow_mailbox.py
index 778d3fd..64d8b45 100644
--- a/bemade_mailcow_blacklist/models/mailcow_mailbox.py
+++ b/bemade_mailcow_blacklist/models/mailcow_mailbox.py
@@ -27,6 +27,7 @@ class MailcowMailbox(models.Model):
         for record in self:
             record.address = f"{record.local_part}@{record.domain}"
 
+    @api.model
     def sync_mailboxes(self):
         """
         Synchronize Mailcow mailboxes with Odoo
diff --git a/bemade_mailcow_blacklist/static/src/js/mailcow_mailbox.js b/bemade_mailcow_blacklist/static/src/js/mailcow_mailbox.js
index 94192dc..15ffe41 100644
--- a/bemade_mailcow_blacklist/static/src/js/mailcow_mailbox.js
+++ b/bemade_mailcow_blacklist/static/src/js/mailcow_mailbox.js
@@ -1,30 +1,27 @@
-odoo.define('bemade_mailcow_blacklist.mailcow_mailbox', function (require) {
-"use strict";
+/** @odoo-module **/
 
-    var core = require('web.core');
-    var ListController = require('web.ListController');
-    var ListView = require('web.ListView');
-    var viewRegistry = require('web.view_registry');
+import ListController from 'web.ListController';
+import ListView from 'web.ListView';
+const viewRegistry = require('web.view_registry');
 
-    var MailboxesListController = ListController.extend({
-        buttons_template: 'mail.mailcow_mailbox_list_view_buttons',
-        events: _.extend({}, ListController.prototype.events, {
-            'click .o_button_sync_mailboxes': '_onSyncMailboxes',
-        }),
-        _onSyncMailboxes: function () {
-            this._rpc({
-                model: 'mail.mailcow.mailbox',
-                method: 'sync_mailboxes',
-                args: [],
-            });
-        },
-    });
-
-    var MailboxesListView = ListView.extend({
-        config: _.extend({}, ListView.prototype.config, {
-            Controller: MailboxesListController,
-        }),
-    });
-
-    viewRegistry.add('mail.mailcow.mailbox', MailboxesListView);
+const MailboxesListController = ListController.extend({
+    buttons_template: 'mail.mailcow_mailbox_list_view_buttons',
+    events: _.extend({}, ListController.prototype.events, {
+        'click .o_button_sync_mailboxes': '_onSyncMailboxes',
+    }),
+    _onSyncMailboxes: function () {
+        this._rpc({
+            model: 'mail.mailcow.mailbox',
+            method: 'sync_mailboxes',
+            args: [],
+        });
+    },
 });
+
+const MailboxesListView = ListView.extend({
+    config: _.extend({}, ListView.prototype.config, {
+        Controller: MailboxesListController,
+    }),
+});
+
+viewRegistry.add('mail_mailcow_mailbox_tree', MailboxesListView);
diff --git a/bemade_mailcow_blacklist/static/src/xml/mailcow_mailbox.xml b/bemade_mailcow_blacklist/static/src/xml/mailcow_mailbox.xml
new file mode 100644
index 0000000..13cc1ab
--- /dev/null
+++ b/bemade_mailcow_blacklist/static/src/xml/mailcow_mailbox.xml
@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="UTF-8" ?>
+<templates>
+    <t t-extend="ListView.buttons" t-name="mail.mailcow_mailbox_list_view_buttons">
+        <t t-jquery="button.o_list_button_add" t-operation="after">
+            <button type="button"
+                    class="btn btn-primary ml4 o_button_sync_mailboxes"
+                    title="Sync Mailboxes"> Sync Mailboxes </button>
+        </t>
+    </t>
+</templates>
\ No newline at end of file
diff --git a/bemade_mailcow_blacklist/views/mailcow_mailbox_views.xml b/bemade_mailcow_blacklist/views/mailcow_mailbox_views.xml
index e64afc6..040c95c 100644
--- a/bemade_mailcow_blacklist/views/mailcow_mailbox_views.xml
+++ b/bemade_mailcow_blacklist/views/mailcow_mailbox_views.xml
@@ -4,10 +4,7 @@
         <field name="name">mailcow.mailbox.view.tree</field>
         <field name="model">mail.mailcow.mailbox</field>
         <field name="arch" type="xml">
-            <tree string="Mailbox" decoration-info="active == False">
-                <header>
-                    <button name="sync_mailboxes" string="Sync with Mailcow" type="object"/>
-                </header>
+            <tree string="Mailbox" decoration-info="active == False" js_class="mail_mailcow_mailbox_tree">
                 <field name="active"/>
                 <field name="name"/>
                 <field name="local_part"/>