diff --git a/build/tests/CustomSystemUpdater/makecsu.sh b/build/tests/CustomSystemUpdater/makecsu.sh
new file mode 100755
index 00000000..42f80d37
--- /dev/null
+++ b/build/tests/CustomSystemUpdater/makecsu.sh
@@ -0,0 +1,36 @@
+#!/bin/sh
+#----------------------------------------------------------------------------
+# Project:  TwlSDK - tools
+# File:     autoupload.sh
+#
+# Copyright 2007 Nintendo.  All rights reserved.
+#
+# These coded instructions, statements, and computer programs contain
+# proprietary information of Nintendo of America Inc. and/or Nintendo
+# Company Ltd., and are protected by Federal copyright law.  They may
+# not be disclosed to third parties or copied or duplicated in any form,
+# in whole or in part, without the prior written consent of Nintendo.
+#
+# $Date::            $
+# $Rev$
+# $Author$
+#----------------------------------------------------------------------------
+
+gen_updater(){
+ruby sumaker.rb custom $1 $2
+make REGION=$2
+rm `find . -name "*autogen*"`
+}
+
+
+if [ $# -lt 1 ];
+then
+	echo "Usage: makecsu vername"
+	exit
+fi
+
+
+gen_updater $1 JPN
+gen_updater $1 USA
+gen_updater $1 AUS
+gen_updater $1 EUR