diff --git a/content/activities/201909-cryptoparty.md b/content/activities/201909-cryptoparty.md
index 861fb790..afab6007 100644
--- a/content/activities/201909-cryptoparty.md
+++ b/content/activities/201909-cryptoparty.md
@@ -1,6 +1,6 @@
 ---
 kind: event
-startdate: 2019-09-13T11:00:00Z
+startdate: 2019-09-14T11:00:00Z
 duration: 4h
 title: "Cryptoparty in der Stadtbibliothek"
 location: