diff --git a/app/javascript/controllers/notifications_controller.js b/app/javascript/controllers/notifications_controller.js
index 1913c0e..e585f70 100644
--- a/app/javascript/controllers/notifications_controller.js
+++ b/app/javascript/controllers/notifications_controller.js
@@ -60,7 +60,8 @@ export default class extends Controller {
   }
 
   get #serviceWorkerRegistration() {
-    return navigator.serviceWorker.getRegistration(window.location.host)
+    const hostAndProtocol = window.location.protocol + '//' + window.location.host;
+    return navigator.serviceWorker.getRegistration(hostAndProtocol)
   }
 
   #registerServiceWorker() {