diff --git a/partner_firstname/__init__.py b/partner_firstname/__init__.py
index 716a72b0b..0df41cead 100644
--- a/partner_firstname/__init__.py
+++ b/partner_firstname/__init__.py
@@ -1,4 +1,4 @@
-# -*- encoding: utf-8 -*-
+# -*- coding: utf-8 -*-
 ##############################################################################
 #
 #    Author: Nicolas Bessi. Copyright Camptocamp SA
diff --git a/partner_firstname/__openerp__.py b/partner_firstname/__openerp__.py
index 78fe5b245..a75b13d3d 100644
--- a/partner_firstname/__openerp__.py
+++ b/partner_firstname/__openerp__.py
@@ -1,4 +1,4 @@
-# -*- encoding: utf-8 -*-
+# -*- coding: utf-8 -*-
 ##############################################################################
 #
 #    Author: Nicolas Bessi. Copyright Camptocamp SA
diff --git a/partner_firstname/partner.py b/partner_firstname/partner.py
index 31b54220a..b36b8b83f 100644
--- a/partner_firstname/partner.py
+++ b/partner_firstname/partner.py
@@ -1,4 +1,4 @@
-# -*- encoding: utf-8 -*-
+# -*- coding: utf-8 -*-
 ##############################################################################
 #
 #    Author: Nicolas Bessi. Copyright Camptocamp SA