diff --git a/addons/im_livechat/models/im_livechat_channel.py b/addons/im_livechat/models/im_livechat_channel.py
index 60d7dd34bca..5e8987f8a74 100644
--- a/addons/im_livechat/models/im_livechat_channel.py
+++ b/addons/im_livechat/models/im_livechat_channel.py
@@ -43,7 +43,7 @@ class ImLivechatChannel(models.Model):
         help="URL to a static page where you client can discuss with the operator of the channel.")
     are_you_inside = fields.Boolean(string='Are you inside the matrix?',
         compute='_are_you_inside', store=False, readonly=True)
-    script_external = fields.Text('Script (external)', compute='_compute_script_external', store=False, readonly=True)
+    script_external = fields.Html('Script (external)', compute='_compute_script_external', store=False, readonly=True, sanitize=False)
     nbr_channel = fields.Integer('Number of conversation', compute='_compute_nbr_channel', store=False, readonly=True)
 
     image_128 = fields.Image("Image", max_width=128, max_height=128, default=_default_image)
@@ -58,7 +58,7 @@ class ImLivechatChannel(models.Model):
             channel.are_you_inside = bool(self.env.uid in [u.id for u in channel.user_ids])
 
     def _compute_script_external(self):
-        view = self.env['ir.model.data'].get_object('im_livechat', 'external_loader')
+        view = self.env.ref('im_livechat.external_loader')
         values = {
             "url": self.env['ir.config_parameter'].sudo().get_param('web.base.url'),
             "dbname": self._cr.dbname,
diff --git a/addons/im_livechat/views/im_livechat_channel_templates.xml b/addons/im_livechat/views/im_livechat_channel_templates.xml
index 50667ae882d..43efb2fdde6 100644
--- a/addons/im_livechat/views/im_livechat_channel_templates.xml
+++ b/addons/im_livechat/views/im_livechat_channel_templates.xml
@@ -17,7 +17,7 @@
                     <title><t t-esc="channel_name"/> Livechat Support Page</title>
 
                     <!-- Call the external Bundle to render the css, js, and js loader tags -->
-                    <t t-raw="channel.script_external"/>
+                    <t t-out="channel.script_external"/>
 
                     <style type="text/css">
                         body {
@@ -80,11 +80,11 @@
         -->
         <template id="external_loader" name="Livechat : external_script field of livechat channel">
             <!-- css style -->
-            <link t-att-href="'%s/im_livechat/external_lib.css' % (url)" rel="stylesheet"/>
+            <link t-attf-href="{{url}}/im_livechat/external_lib.css" rel="stylesheet"/>
             <!-- js of all the required lib (internal and external) -->
-            <script t-att-src="'%s/im_livechat/external_lib.js' % (url)" type="text/javascript" />
+            <script t-attf-src="{{url}}/im_livechat/external_lib.js" type="text/javascript" />
             <!-- the loader -->
-            <script t-att-src="'%s/im_livechat/loader/%i' % (url, channel_id)" type="text/javascript"/>
+            <script t-attf-src="{{url}}/im_livechat/loader/{{channel_id}}" type="text/javascript"/>
         </template>
 
         <!-- the js code to initialize the LiveSupport object -->