diff --git a/setup.py b/setup.py
index cc495824e..0ecbf959e 100644
--- a/setup.py
+++ b/setup.py
@@ -1,5 +1,7 @@
 # Copyright (c) Microsoft Corporation.
 # Licensed under the MIT License.
+
+# -*- coding: utf-8 -*-
 import io
 import os
 import numpy