diff --git a/ui/src/components/admin/ConfigView.vue b/ui/src/components/admin/ConfigView.vue
index 5e4a8b9..5e2c376 100644
--- a/ui/src/components/admin/ConfigView.vue
+++ b/ui/src/components/admin/ConfigView.vue
@@ -17,7 +17,8 @@
               <dd>{{ num_user_doors }}</dd>
 
               <dt>Zeit zum nächsten Türchen</dt>
-              <dd><CountDown :millis="next_door" /></dd>
+              <dd v-if="next_door === null">Kein nächstes Türchen</dd>
+              <dd v-else><CountDown :millis="next_door" /></dd>
 
               <dt>Erstes Türchen</dt>
               <dd>{{ config_model.puzzle.first }}</dd>