diff --git a/examples/example.py b/examples/example.py
index 8ffc6df..e78e4ac 100755
--- a/examples/example.py
+++ b/examples/example.py
@@ -1,4 +1,5 @@
 #!/usr/bin/python
+# -*- coding: utf-8 -*-
 
 import logging
 from inema import Internetmarke
diff --git a/inema/__init__.py b/inema/__init__.py
index 3716529..2683abb 100644
--- a/inema/__init__.py
+++ b/inema/__init__.py
@@ -1,2 +1,3 @@
+# -*- coding: utf-8 -*-
 from .inema import Internetmarke
 from .inema import __version__
diff --git a/inema/inema.py b/inema/inema.py
index 786dcdf..f17b126 100644
--- a/inema/inema.py
+++ b/inema/inema.py
@@ -1,4 +1,5 @@
 #!/usr/bin/python
+# -*- coding: utf-8 -*-
 
 from datetime import datetime
 from pytz import timezone