diff --git a/src/components/overview/AgendaView.vue b/src/components/overview/AgendaView.vue
index 2df0202..90ff58c 100644
--- a/src/components/overview/AgendaView.vue
+++ b/src/components/overview/AgendaView.vue
@@ -235,7 +235,7 @@ export default defineComponent({
         'November',
         'Dezember',
         '-',
-      ][value?.getMonth() || 12];
+      ][value?.getMonth() === 0 ? 0 : value?.getMonth() || 12];
     }
     function asYear(value?: Date) {
       return value?.getFullYear() || '-';