diff --git a/_includes/custom-index-upper.html b/_includes/custom-index-upper.html
index ad7f4df..88e20d8 100644
--- a/_includes/custom-index-upper.html
+++ b/_includes/custom-index-upper.html
@@ -7,7 +7,7 @@
     <center><h1> <span style="color:red;">U</span><span style="color:aquamarine">u</span><span style="color:deepskyblue">U</span><span style="color:indianred">W</span><span style="color:palegreen">w</span><span style="color:plum">U</span><span style="color:slateblue">P</span><span style="color:gold">O</span><span style="color:crimson">d</span> </h1></center>
     <br>
     <center>
-      <img decoding="async" id="homepage-rand-img" src="/assets/images/index_rand/compressed_avif/com_26.avif" alt="Akira!" width="300"/>
+      <img type="image/avif" decoding="async" id="homepage-rand-img" src="/assets/images/index_rand/compressed_avif/com_26.avif" alt="Akira!" width="300"/>
     </center>
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     <center><h2>On <span style="color:thistle">Git{}</span></h2></center>