diff -ru ./typo3.orig/trunk/typo3/sysext/openid/class.tx_openid_return.php ./typo3.new/trunk/typo3/sysext/openid/class.tx_openid_return.php
--- ./typo3.orig/trunk/typo3/sysext/openid/class.tx_openid_return.php	2010-03-01 12:11:32.810551952 +0100
+++ ./typo3.new/trunk/typo3/sysext/openid/class.tx_openid_return.php	2010-03-01 16:15:33.162022285 +0100
@@ -57,9 +57,7 @@
 	*/
 	public function main() {
 		if ($GLOBALS['BE_USER']->user['uid']) {
-			while (ob_get_level()>0) {
-				@ob_end_clean();
-			}
+			while (ob_end_clean());
 			$backendURL = t3lib_div::getIndpEnv('TYPO3_SITE_URL') . TYPO3_mainDir . 'backend.php';
 			t3lib_utility_Http::redirect($backendURL);
 		}