diff --git a/accountant/api/views/accounts.py b/accountant/api/views/accounts.py
index cb1e03f..66556a9 100644
--- a/accountant/api/views/accounts.py
+++ b/accountant/api/views/accounts.py
@@ -180,6 +180,7 @@ ohlc_model = {
 
 class OHLCResource(Resource):
     @requires_auth
+    @marshal_with_field(fields.List(Object(ohlc_model)))
     def get(self):
         data = range_parser.parse_args()