diff --git a/service-worker.js b/service-worker.js
index 0a8349f..7b48b03 100644
--- a/service-worker.js
+++ b/service-worker.js
@@ -41,6 +41,6 @@ self.addEventListener('push', function(event) {
 self.addEventListener('notificationclick', function(event) {
     console.log('On notification click: ', event);
 
-    var url = event.notification.data.url;
+    var url = '/app/study/';
     event.waitUntil(clients.openWindow(url));
 });