diff --git a/netbox/extras/api/serializers.py b/netbox/extras/api/serializers.py
index d7faaa3d9..e92d475b3 100644
--- a/netbox/extras/api/serializers.py
+++ b/netbox/extras/api/serializers.py
@@ -73,7 +73,7 @@ class EventRuleSerializer(NetBoxModelSerializer):
         model = EventRule
         fields = [
             'id', 'url', 'display', 'content_types', 'name', 'type_create', 'type_update', 'type_delete',
-            'type_job_start', 'type_job_end', 'enabled', 'conditions', 'action_type', 'action_object_type'
+            'type_job_start', 'type_job_end', 'enabled', 'conditions', 'action_type', 'action_object_type',
             'action_object_id', 'action_object', 'custom_fields', 'tags',
             'created', 'last_updated',
         ]