diff --git a/frontend/static/js/index.js b/frontend/static/js/index.js
index 303a360..4b7e01d 100644
--- a/frontend/static/js/index.js
+++ b/frontend/static/js/index.js
@@ -117,7 +117,7 @@ document.addEventListener("DOMContentLoaded", () => {
         }
     });
     router(location.pathname);
-	document.querySelector('a[href=\'' + location.pathname + '\']').classList.add('active');
+	document.querySelector('a[href=\'' + location.pathname + '\']')?.classList.add('active');
 });
 
 export { client, navigateTo }