diff --git a/AKModel/models.py b/AKModel/models.py
index ed2251271a8705c5059fd3ea9543e450dc7b26e0..5406a8e80a9caf4202bf29b194851fb77cf37c34 100644
--- a/AKModel/models.py
+++ b/AKModel/models.py
@@ -4,7 +4,7 @@ from dataclasses import dataclass
 from datetime import datetime, timedelta
 from typing import Iterable, Generator
 
-from django.db import models
+from django.db import models, transaction
 from django.apps import apps
 from django.db.models import Count
 from django.urls import reverse_lazy
@@ -382,6 +382,7 @@ class Event(models.Model):
                 constraints=category_constraints,
             )
 
+    @transaction.atomic
     def schedule_from_json(self, schedule: str) -> None:
         """Load AK schedule from a json string.