diff --git a/src/_includes/misc/base.njk b/src/_includes/misc/base.njk
index 9bc752c2..c296fd4f 100644
--- a/src/_includes/misc/base.njk
+++ b/src/_includes/misc/base.njk
@@ -26,7 +26,7 @@
     </head>
     <body>
         <main>
-            <img src="/assets/leilukin/Leilukins-Hub-website-banner.png" alt="{{ sitemeta.siteName }} website banner">
+            <img src="/assets/leilukin/Leilukins-Hub-website-banner.avif" alt="{{ sitemeta.siteName }} website banner">
             <h1>{{ h1 }}</h1>
 
             {{ content | safe }}
