diff --git a/accountant/api/views/operations.py b/accountant/api/views/operations.py
index b89bcc3..0aca19f 100644
--- a/accountant/api/views/operations.py
+++ b/accountant/api/views/operations.py
@@ -73,7 +73,7 @@ class OperationListResource(Resource):
 
         return Operation.query(
             begin=data['begin'],
-            end=data['end'],
+            end=data['end']
         ).filter(
             Operation.account_id == data['account_id']
         ).all(), 200