Index: typo3/sysext/openid/sv1/class.tx_openid_sv1.php
===================================================================
--- typo3/sysext/openid/sv1/class.tx_openid_sv1.php	(revision ffd7794161ae645bbf740bee696fe9f4aef7a319)
+++ typo3/sysext/openid/sv1/class.tx_openid_sv1.php	(revision )
@@ -553,7 +553,7 @@
 		$result = '';
 
 		$claimedOpenIDIdentifier = $this->getSignedClaimedOpenIDIdentifier();
-		$pattern = '#^' . preg_quote($claimedOpenIDIdentifier, '#') . '/?$#';
+		$pattern = '#^' . preg_quote($claimedOpenIDIdentifier, '#') . '/?.*$#';
 
 		if (preg_match($pattern, $openIDIdentifier)) {
 			$result = $claimedOpenIDIdentifier;