diff --git a/adventskalender/2025/js/background.js b/adventskalender/2025/js/background.js
index d9da2ef..463466d 100644
--- a/adventskalender/2025/js/background.js
+++ b/adventskalender/2025/js/background.js
@@ -29,7 +29,7 @@
   let imgPath = "assets/images/Basisbild.webp";
   if (dayToShow >= 1 && dayToShow <= 24) {
     const padded = String(dayToShow).padStart(2, "0");
-    imgPath = `assets/images/${padded}.ebp`;
+    imgPath = `assets/images/${padded}.webp`;
   }
 
   // === Funktion zum Setzen des Favicons ===