diff --git a/prep.py b/prep.py
index 5e2641f..957fb4b 100755
--- a/prep.py
+++ b/prep.py
@@ -60,10 +60,12 @@ def build_ical(events: list[dict]) -> str:
         created = str(today.year) + str(today.month).zfill(2) + str(today.day).zfill(2) + "T" + str(today.hour).zfill(2) + str(today.minute).zfill(2) + str(today.second).zfill(2) + "Z"
         time = event["time"]
         date = date + "T" + time.replace(":", "") + "00"
+        uid = str(date.month).zfill(2) + str(date.day).zfill(2) + time[:2]
 
         event_template = ""
         with open("template/event.ical", "r") as file:
             event_template += file.read()
+        event_template = event_template.replace("<!--UID-->", uid)
         event_template = event_template.replace("<!--CREATED-->", created)
         event_template = event_template.replace("<!--DATE-->", date)
         event_template = event_template.replace("<!--TITLE-->", title)
diff --git a/template/event.ical b/template/event.ical
index 4ec8954..80fa0b8 100644
--- a/template/event.ical
+++ b/template/event.ical
@@ -1,5 +1,5 @@
 BEGIN:VEVENT
-UID:calendar.462701.field_date_time.0@radar.squat.net
+UID:calendar.<!--UID-->.field_date_time.0@radar.squat.net
 DTSTAMP:<!--CREATED-->
 CREATED:<!--CREATED-->
 DTSTART;TZID=Europe/Belgrade:<!--DATE-->