diff --git a/static/demos/light-dark-superior_v1/sw.js b/static/demos/light-dark-superior_v1/sw.js
index 97000db..4afaca2 100644
--- a/static/demos/light-dark-superior_v1/sw.js
+++ b/static/demos/light-dark-superior_v1/sw.js
@@ -30,7 +30,7 @@ async function fetchResponse(event) {
 
 self.addEventListener('fetch', (event) => {
     console.log("Fetch:", event.request.url);
-    if (!event.request.url.endsWith(".html") && event.request.url.indexOf(".") !== -1) {
+    if (!event.request.url.endsWith(".html") && event.request.url.match("pagwin.xyz/.+\\..+") !== null) {
         console.log("blocked");
         return;
     }