diff --git a/_events/20220506-tagderoffenentuer.markdown b/_events/20220506-wartung.markdown
similarity index 89%
rename from _events/20220506-tagderoffenentuer.markdown
rename to _events/20220506-wartung.markdown
index 5fee9c59ea9c468e6e1df5617f7ac57430770f75..438818585b2e06f7ebbc89021f7314b44d422e55 100644
--- a/_events/20220506-tagderoffenentuer.markdown
+++ b/_events/20220506-wartung.markdown
@@ -3,7 +3,7 @@ layout: [eventcal]
 title:  "Wartungsfenster: Magrathea"
 image: "/assets/geloet.jpg"
 eventdate:   2022-05-06 16:00:00 +0200
-eventend:    2022-06-07 23:59:59 +0200
+eventend:    2022-05-07 23:59:59 +0200
 #https://www.uuidgenerator.net/
 uid: 21e8f14d-64d2-449f-8f8d-3c9813960866
 contact: info@chaotikum.org