diff --git a/src/pretix/api/signals.py b/src/pretix/api/signals.py
index e5cc7d0ead..0fd2824e13 100644
--- a/src/pretix/api/signals.py
+++ b/src/pretix/api/signals.py
@@ -23,4 +23,4 @@ def cleanup_webhook_logs(sender, **kwargs):
 
 @receiver(periodic_task)
 def cleanup_api_logs(sender, **kwargs):
-    ApiCall.objects.filter(datetime__lte=now() - timedelta(hours=24)).delete()
+    ApiCall.objects.filter(created__lte=now() - timedelta(hours=24)).delete()