diff --git a/elasticsearch/client/__init__.py b/elasticsearch/client/__init__.py
index a799e4f9..a4d543df 100644
--- a/elasticsearch/client/__init__.py
+++ b/elasticsearch/client/__init__.py
@@ -1,3 +1,4 @@
+# -*- coding: utf-8 -*-
 from __future__ import unicode_literals
 import logging