diff --git a/wrapper.py b/wrapper.py
index ca4a283..bbb8471 100644
--- a/wrapper.py
+++ b/wrapper.py
@@ -1,3 +1,5 @@
+# -*- coding:utf-8 -*-
+#
 # Copyright (C) 2014 The Android Open Source Project
 #
 # Licensed under the Apache License, Version 2.0 (the "License");