diff --git a/product/Vifib/Permissions.py b/product/Vifib/Permissions.py
index 5fabf05fda11f137adb6b883017d16f4f96b0296..3a9aa3e400a31a63841eaba33d4c8ba2f60265ac 100644
--- a/product/Vifib/Permissions.py
+++ b/product/Vifib/Permissions.py
@@ -1,3 +1,4 @@
+# -*- coding: utf-8 -*-
 ##############################################################################
 #
 # Copyright (c) 2010 Nexedi SA and Contributors. All Rights Reserved.
diff --git a/product/Vifib/Tool/__init__.py b/product/Vifib/Tool/__init__.py
index 5fabf05fda11f137adb6b883017d16f4f96b0296..3a9aa3e400a31a63841eaba33d4c8ba2f60265ac 100644
--- a/product/Vifib/Tool/__init__.py
+++ b/product/Vifib/Tool/__init__.py
@@ -1,3 +1,4 @@
+# -*- coding: utf-8 -*-
 ##############################################################################
 #
 # Copyright (c) 2010 Nexedi SA and Contributors. All Rights Reserved.
diff --git a/product/Vifib/__init__.py b/product/Vifib/__init__.py
index 395960c01c6bb12248c4914c5398589ed7396503..dfe1f3aec4ae48c748f11f4e5cefb909fa5e3eb4 100644
--- a/product/Vifib/__init__.py
+++ b/product/Vifib/__init__.py
@@ -1,3 +1,4 @@
+# -*- coding: utf-8 -*-
 ##############################################################################
 #
 # Copyright (c) 2010 Nexedi SA and Contributors. All Rights Reserved.