diff --git a/frontend/static/js/views/SettingsView.js b/frontend/static/js/views/SettingsView.js
index 5ba0c20..0c8dc98 100644
--- a/frontend/static/js/views/SettingsView.js
+++ b/frontend/static/js/views/SettingsView.js
@@ -159,7 +159,7 @@ export default class extends AbstractAuthenticatedView
 			usernameDetail.classList.remove('text-danger', 'd-none');
 			usernameDetail.classList.add('text-success');
 			usernameDetail.innerHTML = lang.get('settingsUsernameSaved');
-			setTimeout(_ => usernameDetail.add('d-none'), 2000);
+			setTimeout(_ => usernameDetail.classList.add('d-none'), 2000);
 			document.getElementById('usernameSave').classList.add('disabled');
 		} else {
 			usernameDetail.classList.remove('text-success', 'd-none');