diff --git a/dev/skeletons/build_class_from_table.php b/dev/skeletons/build_class_from_table.php
index 64c9f3f3cda..312dcb58451 100644
--- a/dev/skeletons/build_class_from_table.php
+++ b/dev/skeletons/build_class_from_table.php
@@ -1,4 +1,4 @@
-<?PHP
+<?php
 /* Copyright (C) 2008-2010 Laurent Destailleur  <eldy@users.sourceforge.net>
  *
  * This program is free software; you can redistribute it and/or modify
diff --git a/dev/skeletons/build_webservice_from_class.php b/dev/skeletons/build_webservice_from_class.php
index 30c5b96b696..8a890118ab7 100644
--- a/dev/skeletons/build_webservice_from_class.php
+++ b/dev/skeletons/build_webservice_from_class.php
@@ -1,4 +1,4 @@
-<?PHP
+<?php
 /* Copyright (C) 2009 Laurent Destailleur  <eldy@users.sourceforge.net>
  *
  * This program is free software; you can redistribute it and/or modify
diff --git a/dev/skeletons/skeleton_script.php b/dev/skeletons/skeleton_script.php
index 844c4ee370f..8e1d2c7824e 100644
--- a/dev/skeletons/skeleton_script.php
+++ b/dev/skeletons/skeleton_script.php
@@ -1,4 +1,4 @@
-<?PHP
+<?php
 /* Copyright (C) 2007-2008 Laurent Destailleur  <eldy@users.sourceforge.net>
  * Copyright (C) ---Put here your own copyright and developer email---
  *
diff --git a/scripts/emailings/mailing-send.php b/scripts/emailings/mailing-send.php
index f6f91ef3c02..9182c14fa3d 100644
--- a/scripts/emailings/mailing-send.php
+++ b/scripts/emailings/mailing-send.php
@@ -1,5 +1,5 @@
 #!/usr/bin/php
-<?PHP
+<?php
 /**
  * Copyright (C) 2004      Rodolphe Quiedeville <rodolphe@quiedeville.org>
  * Copyright (C) 2005-2010 Laurent Destailleur  <eldy@users.sourceforge.net>