diff --git a/src/flaschengeist.d.ts b/src/flaschengeist.d.ts
index e00d65c..c39e217 100644
--- a/src/flaschengeist.d.ts
+++ b/src/flaschengeist.d.ts
@@ -36,7 +36,7 @@ declare namespace FG {
     id: number;
     start: Date;
     description?: string;
-    type: EventType;
+    type?: EventType;
     jobs: Array<Job>;
   }
   interface EventType {