diff --git a/content/events/201705-wikipedia/index.md b/content/events/201705-wikipedia/index.md
index 15f55765..a7b16407 100644
--- a/content/events/201705-wikipedia/index.md
+++ b/content/events/201705-wikipedia/index.md
@@ -1,4 +1,5 @@
 duration: 2h
+startdate: 2017-05-11T19:30:00Z
 title: "Wie funktioniert die Wikipedia?"
 speakers:
   -