Index: t3lib/class.t3lib_cs.php
===================================================================
--- t3lib/class.t3lib_cs.php	(revision 5262)
+++ t3lib/class.t3lib_cs.php	(working copy)
@@ -715,6 +715,8 @@
 	 */
 	function utf8_decode($str,$charset,$useEntityForNoChar=0)	{
 
+		if ($charset === 'utf-8')	return $str;
+
 			// Charset is case-insensitive.
 		if ($this->initCharset($charset))	{	// Parse conv. table if not already...
 			$strLen = strlen($str);