diff --git a/accountant/views/scheduled_operations.py b/accountant/views/scheduled_operations.py
index 2f48461..44ad313 100644
--- a/accountant/views/scheduled_operations.py
+++ b/accountant/views/scheduled_operations.py
@@ -25,11 +25,11 @@ scheduled_operation_model = ns.model('ScheduledOperation', {
         description='Id of the scheduled operation',
         readonly=True,
         default=None),
-    'start_date': fields.DateTime(
+    'start_date': fields.Date(
         dt_format='iso8601',
         required=True,
         description='Start date of the scheduled operation'),
-    'stop_date': fields.DateTime(
+    'stop_date': fields.Date(
         dt_format='iso8601',
         required=True,
         description='End date of the scheduled operation'),