diff --git a/sw.js b/sw.js
index 76ea95a..9675154 100644
--- a/sw.js
+++ b/sw.js
@@ -17,7 +17,8 @@ async function cacheFirst(request) {
   if (request.url.includes('/-/frame')) {
     const url = new URL(request.url)
     if (url.pathname === '/-/frame') {
-      const {html, csp} = url.searchParams
+      const html = url.searchParams.get('html')
+      const csp = url.searchParams.get('csp')
       return new Response(html, {
         headers: {
           'Content-Type': 'text/html',