diff --git a/bindings/python/tests/XmlTestRunner.py b/bindings/python/tests/XmlTestRunner.py
index cb1486cf..ce92c4e8 100644
--- a/bindings/python/tests/XmlTestRunner.py
+++ b/bindings/python/tests/XmlTestRunner.py
@@ -1,4 +1,4 @@
-# -*- coding: UTF-8 -*-
+# -*- coding: utf-8 -*-
 #
 # $Id: XmlTestRunner.py 3254 2007-06-05 21:23:57Z fpeters $
 #
diff --git a/bindings/python/tests/binding_tests.py b/bindings/python/tests/binding_tests.py
index 54c3635f..90df3adf 100755
--- a/bindings/python/tests/binding_tests.py
+++ b/bindings/python/tests/binding_tests.py
@@ -1,5 +1,5 @@
 #! /usr/bin/env python
-# -*- coding: UTF-8 -*-
+# -*- coding: utf-8 -*-
 #
 # $Id: binding_tests.py 3283 2007-06-11 09:10:18Z dlaniel $
 #
diff --git a/bindings/python/tests/idwsf1_tests.py b/bindings/python/tests/idwsf1_tests.py
index 89832b9b..da8368ca 100755
--- a/bindings/python/tests/idwsf1_tests.py
+++ b/bindings/python/tests/idwsf1_tests.py
@@ -1,5 +1,5 @@
 #! /usr/bin/env python
-# -*- coding: UTF-8 -*-
+# -*- coding: utf-8 -*-
 #
 # Python unit tests for Lasso library
 #
diff --git a/bindings/python/tests/idwsf2_tests.py b/bindings/python/tests/idwsf2_tests.py
index 4e47a4a1..60b114ba 100755
--- a/bindings/python/tests/idwsf2_tests.py
+++ b/bindings/python/tests/idwsf2_tests.py
@@ -1,5 +1,5 @@
 #! /usr/bin/env python
-# -*- coding: UTF-8 -*-
+# -*- coding: utf-8 -*-
 #
 # $Id: idwsf2_tests.py 3254 2007-06-05 21:23:57Z dlaniel $
 #
diff --git a/bindings/python/tests/profiles_tests.py b/bindings/python/tests/profiles_tests.py
index 0ba1e56e..6ec61207 100755
--- a/bindings/python/tests/profiles_tests.py
+++ b/bindings/python/tests/profiles_tests.py
@@ -1,5 +1,5 @@
 #! /usr/bin/env python
-# -*- coding: UTF-8 -*-
+# -*- coding: utf-8 -*-
 #
 # $Id: profiles_tests.py 3254 2007-06-05 21:23:57Z fpeters $
 #
diff --git a/bindings/python/tests/tests.py b/bindings/python/tests/tests.py
index 4a66b7fb..a0fa6d34 100755
--- a/bindings/python/tests/tests.py
+++ b/bindings/python/tests/tests.py
@@ -1,5 +1,5 @@
 #! /usr/bin/env python
-# -*- coding: UTF-8 -*-
+# -*- coding: utf-8 -*-
 #
 # $Id: tests.py 3425 2007-10-10 09:31:03Z dlaniel $
 #