diff --git a/frontend/src/scripts/index.js b/frontend/src/scripts/index.js
index 124b717..6e13a8f 100644
--- a/frontend/src/scripts/index.js
+++ b/frontend/src/scripts/index.js
@@ -172,7 +172,7 @@ class Main extends Component {
                         <a class="nav-link" href="#register_user">Registrace</a>
                     </li>
                 }
-                {this.state.login_status.racers.length > 1 &&
+                {(this.state.login_status.racers || []).length > 1 &&
                     <li class="nav-item">
                         <a class="nav-link" href="#racers">Závodníci</a>
                     </li>