diff --git a/fet2020/posts/views.py b/fet2020/posts/views.py
index 847b1920..88ca943e 100644
--- a/fet2020/posts/views.py
+++ b/fet2020/posts/views.py
@@ -34,7 +34,7 @@ def index(request):
 
 def calendar(request):
     events=deque(Post.objects.get_visible_articles().order_by('-public_date'))
-    return render(request, 'posts/fet_calendar.ics', {"events": events},content_type='text/plain')
+    return render(request, 'posts/fet_calendar.ics', {"events": events},content_type='text/calendar')
 def tags(request, tag=""):
     posts = deque(Post.objects.get_visible_articles().filter(tags__name=tag))
     featured_post = Post.objects.get_visible_articles().filter(slug=tag).first()
diff --git a/fet2020/templates/posts/fet_calendar.ics b/fet2020/templates/posts/fet_calendar.ics
index e80e065d..d07788c0 100644
--- a/fet2020/templates/posts/fet_calendar.ics
+++ b/fet2020/templates/posts/fet_calendar.ics
@@ -7,28 +7,28 @@ BEGIN:VTIMEZONE
 TZID:Europe/Vienna
 BEGIN:DAYLIGHT
 TZOFFSETFROM:+0100
+TZOFFSETTO:+0100
 DTSTART:19810329T020000
 RRULE:FREQ=YEARLY;BYMONTH=3;BYDAY=-1SU
 TZNAME:MESZ
 END:DAYLIGHT
 BEGIN:STANDARD
 TZOFFSETFROM:+0200
+TZOFFSETTO:+0100
 DTSTART:19961027T030000
 RRULE:FREQ=YEARLY;BYMONTH=10;BYDAY=-1SU
 TZNAME:MEZ
 END:STANDARD
-END:VTIMEZONE
-{% for event in events %}
+END:VTIMEZONE {% for event in events %}
 BEGIN:VEVENT
-UID:4610745
+UID:{{event.id}}
 ORGANIZER;CN="Fachschaft Elektrotechnik, Example Inc.":MAILTO:service@fet.at
 LOCATION:Vienna
 SUMMARY:{{ event.title }}
-DESCRIPTION: {{event.url}} https://alpha.2020.fet.at/{{event.url}} <a href="https://alpha.2020.fet.at/{{event.url}}">{{even.title}}</a>
+DESCRIPTION: <a href="https://alpha.2020.fet.at/{{event.url}}">{{even.title}}</a>
 CLASS:PUBLIC
-DTSTART;TZID=Europe/Vienna:20200306T120000
-DTEND;TZID=Europe/Vienna:20200306T140000
-DTSTAMP;TZID=Europe/Vienna:20200306T120000
-END:VEVENT
-{% endfor %}
+DTSTART;TZID=Europe/Vienna:20201216T120000
+DTEND;TZID=Europe/Vienna:20201216T140000
+DTSTAMP;TZID=Europe/Vienna:20201216T120000
+END:VEVENT{% endfor %}
 END:VCALENDAR
\ No newline at end of file