diff --git a/events.ics b/events.ics
index b4539e8bbdab1f38f92892b52558f7c2346758f9..8599d50616689eca6c9464c0984a9e933998fe2d 100644
--- a/events.ics
+++ b/events.ics
@@ -10,8 +10,8 @@ METHOD:PUBLISH
 UID:{{ event.uid }}
 ORGANIZER;CN="Chaotikum e.V.":MAILTO:{{event.contact}}
 LOCATION:Chaotikum
-{% assign rounds = {{ event.short | size }} modulo: 70 %}
-SUMMARY:{{ rounds }}:{{ event.short }}
+
+SUMMARY:{{ event.short | size }}:{{ event.short }}
 CLASS:PUBLIC
 DTSTART:{{ event.eventdate | date: "%Y%m%d" }}T{{ event.eventdate | date: "%H%M%S" }}Z
 DTEND:{{ event.eventdate | date: "%Y%m%d" }}T{{ event.eventdate | date: "%H%M%S" }}Z