Update 20180822-openspace.markdown

2a17c860 · Lukas Ruge · 5ab7bf4c · 2a17c860
Commit 2a17c860 authored 6 years ago by Lukas Ruge
--- a/_events/20180822-openspace.markdown
+++ b/_events/20180822-openspace.markdown
@@ -6,7 +6,7 @@ eventend:   2018-08-22 23:59:59 +0200
 #https://www.uuidgenerator.net/
 uid: 86f8f20f-a509-4765-b021-90c73c82d0e1
 contact: info@chaotikum.org
-poster: https://wiki.chaotikum.org/_media/undefined:openspace2.jpg
+poster: https://wiki.chaotikum.org/_media/hackerspace:openspace.jpg
 locations:
 - Augenprüfraum
 - Wartezimmer