diff --git a/adventskalender/2025/js/background.js b/adventskalender/2025/js/background.js
index 2c23eb4..68347fb 100644
--- a/adventskalender/2025/js/background.js
+++ b/adventskalender/2025/js/background.js
@@ -25,10 +25,10 @@
 
   // === Favicon setzen (.webp) ===
   // Aufruf:
-setFavicon(filename);
+setFavicon(`assets/images/1920/webp/${filename}.webp`);
 
 // Funktion:
-function setFavicon(name) {
+function setFavicon(path) {
   let link = document.querySelector('link[rel="icon"]');
   if (!link) {
     link = document.createElement("link");
@@ -36,7 +36,7 @@ function setFavicon(name) {
     link.type = "image/png";
     document.head.appendChild(link);
   }
-  link.href = `assets/images/1920/webp/${name}.webp`;
+  link.href = path;
 }
 
   window.addEventListener("DOMContentLoaded", () => {