diff --git a/like_mybb_bT4CK-theme.xml b/like_mybb_bT4CK-theme.xml
index 9423a8038e2762013c0df8f959b3b74eedd1130b..acb1767e97c333fb95434da3304313c5a4decaa0 100644
--- a/like_mybb_bT4CK-theme.xml
+++ b/like_mybb_bT4CK-theme.xml
@@ -5732,9 +5732,10 @@ $(".forumjump").on('change', function() {
 		<template name="global_remote_avatar_notice" version="1809"><![CDATA[<div class="red_alert"><a href="{$mybb->settings['bburl']}/usercp.php?action=avatar">{$lang->remote_avatar_disabled_default_avatar}</a></div>]]></template>
 		<template name="global_unreadreports" version="1820"><![CDATA[<a href="{$mybb->settings['bburl']}/modcp.php?action=reports">{$lang->unread_reports}</a>]]></template>
 		<template name="gobutton" version="120"><![CDATA[<input type="submit" class="button" value="{$lang->go}" />]]></template>
-		<template name="header" version="1822"><![CDATA[<div id="video-fond">
+		<template name="header" version="1823"><![CDATA[<div id="video-fond">
 	<div class="overlay"></div>
 	<video playsinline autoplay  muted  loop >
+		<source src="{$mybb->settings['bburl']}/themes/like_mybb_bT4CK/assets/video/Fichier21c.webm" type="video/webm">
 		<source src="{$mybb->settings['bburl']}/themes/like_mybb_bT4CK/assets/video/Fichier21c.mp4" type="video/mp4">
 	</video>
 </div>