diff --git a/src/service-worker.js b/src/service-worker.js
index 28bb61f..ef3e0c3 100644
--- a/src/service-worker.js
+++ b/src/service-worker.js
@@ -34,6 +34,9 @@ self.addEventListener('fetch', (event) => {
 	// ignore POST requests etc
 	if (event.request.method !== 'GET') return
 
+	// ignore chrome-extension requests
+	if (event.request.url.startsWith('chrome-extension://')) return
+
 	async function respond() {
 		const url = new URL(event.request.url)
 		const cache = await caches.open(CACHE)