diff --git a/priv/static/js/service-worker.js b/priv/static/js/service-worker.js
index f7dcf96..251ad66 100644
--- a/priv/static/js/service-worker.js
+++ b/priv/static/js/service-worker.js
@@ -60,7 +60,8 @@ self.addEventListener("activate", (e) => {
 });
 
 self.addEventListener("fetch", (event) => {
-  if (event.request.url.pathname.startsWith("/api")) {
+  const url = new URL(event.request.url);
+  if (url.pathname.startsWith("/api")) {
     return;
   }