diff --git a/api/js/login.js b/api/js/login.js
index 14410dd2cc..5d167c798c 100644
--- a/api/js/login.js
+++ b/api/js/login.js
@@ -77,11 +77,11 @@ egw_LAB.wait(function()
 
 // register service worker
 if ('serviceWorker' in navigator) {
-  navigator.serviceWorker.register('./service-worker.js', {scope:egw_webserverUrl})
+  navigator.serviceWorker.register('./service-worker.js', {scope:egw_webserverUrl+'/'})
   .then(function(registration) {
     console.log('Registration successful, scope is:', registration.scope);
   })
   .catch(function(error) {
     console.log('Service worker registration failed, error:', error);
   });
-}
\ No newline at end of file
+}