diff --git a/frontend/app.vue b/frontend/app.vue
index 6d1fd9a..adf2312 100644
--- a/frontend/app.vue
+++ b/frontend/app.vue
@@ -42,13 +42,9 @@ onMounted(() => {
     auth.value = getAuth()
 
     if (process.client) {
-      if (!window) return;
-      window.addEventListener('load', () => {
-        if (!('serviceWorker' in navigator)) {
-          throw new Error('serviceWorker is not supported in current browser!')
-        }
-        navigator.serviceWorker.register('/sw.js')
-      })
+      if ('serviceWorker' in navigator && window.isSecureContext) {
+        navigator.serviceWorker.register('/sw.js');
+      }
     }
 
     onAuthStateChanged(auth.value, async (usr) => {