diff --git a/addons/im_livechat/views/im_livechat_channel_templates.xml b/addons/im_livechat/views/im_livechat_channel_templates.xml
index 52257ef1658..8b771e1bc61 100644
--- a/addons/im_livechat/views/im_livechat_channel_templates.xml
+++ b/addons/im_livechat/views/im_livechat_channel_templates.xml
@@ -127,9 +127,8 @@
             <script type="text/javascript" src="/mail/static/src/js/chat_window.js"></script>
             <script type="text/javascript" src="/mail/static/src/js/thread.js"></script>
             <script type="text/javascript" src="/im_livechat/static/src/js/im_livechat.js"></script>
+            <t t-call="web.less_helpers"/>
             <link rel="stylesheet" href="/im_livechat/static/src/less/im_livechat_bootstrap.less"/>
-            <link rel="stylesheet" href="/web/static/src/less/variables.less"/>
-            <link rel="stylesheet" href="/web/static/src/less/utils.less"/>
             <link rel="stylesheet" href="/mail/static/src/less/chat_window.less"></link>
             <link rel="stylesheet" href="/mail/static/src/less/thread.less"></link>
             <link rel="stylesheet" href="/im_livechat/static/src/less/im_livechat.less"/>