diff --git a/backend/service/db/dbEvents.go b/backend/service/db/dbEvents.go
index 8c668be..c398a07 100644
--- a/backend/service/db/dbEvents.go
+++ b/backend/service/db/dbEvents.go
@@ -139,6 +139,10 @@ func (e Events) EmitICal() goics.Componenter {
 	c.SetType("VCALENDAR")
 	c.AddProperty("VERSION", "2.0")
 	c.AddProperty("CALSCAL", "GREGORIAN")
+	c.AddProperty("TZID", "Europe/Berlin")
+	c.AddProperty("X-WR-CALNAME", "HTWK Kalender")
+	c.AddProperty("X-WR-TIMEZONE", "Europe/Berlin")
+	c.AddProperty("X-LIC-LOCATION", "Europe/Berlin")
 	for _, event := range e {
 		s := goics.NewComponent()
 		s.SetType("VEVENT")