diff --git a/google_calendar.py b/google_calendar.py
index 46488b9..2ae403e 100644
--- a/google_calendar.py
+++ b/google_calendar.py
@@ -1,6 +1,6 @@
 from datetime import datetime
 import os.path
-from base64 import b32encode
+from base64 import b16encode
 
 from google.auth.transport.requests import Request
 from google.oauth2.credentials import Credentials
@@ -47,7 +47,8 @@ class CalendarService:
     def insert_or_update_event(
         self, calendar_id: str, id: str, title: str, start: datetime, end: datetime
     ):
-        event_id = b32encode(id.encode("ascii")).decode("ascii").lower().rstrip("=")
+        event_id = b16encode(id.encode("ascii")).decode("ascii").lower().rstrip("=")
+        print(event_id)
         event = {
             "id": event_id,
             "summary": title,