diff --git a/bitbylaw/steps/advoware_cal_sync/calendar_sync_cron_step.py b/bitbylaw/steps/advoware_cal_sync/calendar_sync_cron_step.py
index a6702826..8289fd59 100644
--- a/bitbylaw/steps/advoware_cal_sync/calendar_sync_cron_step.py
+++ b/bitbylaw/steps/advoware_cal_sync/calendar_sync_cron_step.py
@@ -7,8 +7,8 @@ from .calendar_sync_utils import log_operation
 config = {
     'type': 'cron',
     'name': 'Calendar Sync Cron Job',
-    'description': 'Führt den Calendar Sync alle 1 Minuten automatisch aus',
-    'cron': '0 0 31 2 *',  # Nie ausführen (31. Februar)
+    'description': 'Führt den Calendar Sync alle 15 Minuten automatisch aus',
+    'cron': '*/15 * * * *',  # Alle 15 Minuten
     'emits': ['calendar_sync_all'],
     'flows': ['advoware']
 }