diff --git a/adventskalender/2025/index.html b/adventskalender/2025/index.html
index 52e3076..c407bd4 100644
--- a/adventskalender/2025/index.html
+++ b/adventskalender/2025/index.html
@@ -6,7 +6,7 @@
   <title>Bratonien Adventskalender 2025</title>
 
   <!-- === Styles === -->
-  <link rel="preload" as="image" href="assets/images/Basisbild.webp">
+  <link rel="preload" as="image" href="assets/images/1024/webp/Basisbild.webp" type="image/webp">
   <link rel="stylesheet" href="../shared/css/style.css">
   <link rel="stylesheet" href="css/main.css">
   <link rel="stylesheet" href="css/popup.css">