diff --git a/__main__.py b/__main__.py
index b1c06ffd5..150baaab3 100644
--- a/__main__.py
+++ b/__main__.py
@@ -1,3 +1,4 @@
+# -*- coding: utf-8 -*-
 """Allow cookiecutter to be executable from a checkout or zip file."""
 import runpy
 
diff --git a/cookiecutter/__main__.py b/cookiecutter/__main__.py
index 0d8fccb00..5795faa1e 100644
--- a/cookiecutter/__main__.py
+++ b/cookiecutter/__main__.py
@@ -1,3 +1,4 @@
+# -*- coding: utf-8 -*-
 """Allow cookiecutter to be executable through `python -m cookiecutter`."""
 from __future__ import absolute_import
 
diff --git a/setup.py b/setup.py
index 35b04ea82..1157db641 100644
--- a/setup.py
+++ b/setup.py
@@ -1,4 +1,5 @@
 #!/usr/bin/env python
+# -*- coding: utf-8 -*-
 
 import os
 import io
diff --git a/tests/replay/conftest.py b/tests/replay/conftest.py
index adb7b64af..fa4ab590c 100644
--- a/tests/replay/conftest.py
+++ b/tests/replay/conftest.py
@@ -1,3 +1,4 @@
+# -*- coding: utf-8 -*-
 import pytest