diff --git a/serviceWorker.js b/serviceWorker.js
index 15a90d79b460d82998693aea1a1fc403f0e478d8..51dc9b97b60f013203eabb07d760dfee02265eca 100644
--- a/serviceWorker.js
+++ b/serviceWorker.js
@@ -13,7 +13,11 @@ self.addEventListener('install', event => {
 
 // Listen for requests
 self.addEventListener('fetch', event => {
-  if (event.request.url.indexOf('statweb') !== -1) {
+  // Exception for Matomo & Sentry
+  if (
+    event.request.url.includes('statweb') ||
+    event.request.url.includes('grandlyon.errors')
+  ) {
     return false
   }