diff --git a/templates/includes/macros.html.tera b/templates/includes/macros.html.tera
index 077a1f0..c03055f 100644
--- a/templates/includes/macros.html.tera
+++ b/templates/includes/macros.html.tera
@@ -46,7 +46,7 @@
 <div class="p-2 border border-t-0 border-{{ bg }} mb-4 rounded-b-md">
   {% if participants | length > 0 %}
     {% for rower in participants %}
-      {{ rower.name }} {% if rower.isGuest %} <small class="text-muted">(Gast)</small> {% endif %}<span class="hidden">(angemeldet seit {{ rower.registered_at }})</span><br />
+      {{ rower.name }} {% if rower.is_guest %} <small class="text-muted">(Gast)</small> {% endif %}<span class="hidden">(angemeldet seit {{ rower.registered_at }})</span><br />
     {% endfor %}
   {% else %}
     {{ text }}