diff --git a/web/src/service-worker/index.ts b/web/src/service-worker/index.ts
index 6a285a675..2473a68c3 100644
--- a/web/src/service-worker/index.ts
+++ b/web/src/service-worker/index.ts
@@ -13,8 +13,11 @@ const handleInstall = (event: ExtendableEvent) => {
   event.waitUntil(sw.skipWaiting());
 };
 
+const isImageTagRequest = (event: FetchEvent) =>
+  event.request.method === 'GET' && event.request.destination === 'image';
+
 const handleFetch = (event: FetchEvent): void => {
-  if (event.request.method !== 'GET') {
+  if (!isImageTagRequest(event)) {
     return;
   }