diff --git a/src/platform/web/sw.js b/src/platform/web/sw.js
index a9a92979..49789804 100644
--- a/src/platform/web/sw.js
+++ b/src/platform/web/sw.js
@@ -96,7 +96,7 @@ let pendingFetchAbortController = new AbortController();
 async function handleRequest(request) {
     try {
         if (request.url.includes("config.json")) {
-            return handleConfigRequest(request);
+            return await handleConfigRequest(request);
         }
         const url = new URL(request.url);
         // rewrite / to /index.html so it hits the cache