diff --git a/assets/script/service-worker.js b/assets/script/service-worker.js
index 2a74480..11dd29f 100644
--- a/assets/script/service-worker.js
+++ b/assets/script/service-worker.js
@@ -1,31 +1,37 @@
 const CACHE_NAME = 'durst-rechner-v2';
 
 const FILES_TO_CACHE = [
-    './',
-    './index.html',
-    './assets/manifest.json',
-    './assets/script/service-worker.js',
-    './assets/style/stylesheet.css',
-    './assets/script/all.js',
-    './assets/script/calculator.js',
-    './assets/script/theme.js',
-    './node_modules/bootstrap/dist/css/bootstrap.min.css',
-    './node_modules/bootstrap/dist/js/bootstrap.bundle.min.js',
-    './node_modules/bootstrap-icons/font/bootstrap-icons.min.css',
-    './node_modules/bootstrap-icons/font/fonts/bootstrap-icons.woff2',
-    './node_modules/bootstrap-icons/font/fonts/bootstrap-icons.woff',
-    './assets/favicon/android-chrome-192x192.png',
-    './assets/favicon/android-chrome-512x512.png',
-    './assets/favicon/apple-touch-icon.png',
-    './assets/favicon/favicon-16x16.png',
-    './assets/favicon/favicon-32x32.png',
-    './assets/favicon/favicon.ico',
+    '/',
+    '/index.html',
+    '/assets/manifest.json',
+    '/assets/script/service-worker.js',
+    '/assets/style/stylesheet.css',
+    '/assets/script/all.js',
+    '/assets/script/calculator.js',
+    '/assets/script/theme.js',
+    '/node_modules/bootstrap/dist/css/bootstrap.min.css',
+    '/node_modules/bootstrap/dist/js/bootstrap.bundle.min.js',
+    '/node_modules/bootstrap-icons/font/bootstrap-icons.min.css',
+    '/node_modules/bootstrap-icons/font/fonts/bootstrap-icons.woff2',
+    '/node_modules/bootstrap-icons/font/fonts/bootstrap-icons.woff',
+    '/assets/favicon/android-chrome-192x192.png',
+    '/assets/favicon/android-chrome-512x512.png',
+    '/assets/favicon/apple-touch-icon.png',
+    '/assets/favicon/favicon-16x16.png',
+    '/assets/favicon/favicon-32x32.png',
+    '/assets/favicon/favicon.ico',
 ];
 
+
+const FILES_TO_CACHE_PREFIXED = FILES_TO_CACHE.map(e => {
+    let origin = self.location.origin;
+    return origin + e;
+})
+
 self.addEventListener('install', event => {
     event.waitUntil(
         caches.open(CACHE_NAME).then(cache => {
-            return cache.addAll(FILES_TO_CACHE);
+            return cache.addAll(FILES_TO_CACHE_PREFIXED);
         })
     );
 });