Index: comment-functions.php
===================================================================
--- comment-functions.php	(revision 2903)
+++ comment-functions.php	(working copy)
@@ -620,7 +620,7 @@
 			// when set to true, this outputs debug messages by itself
 			$client->debug = false;
 			
-			if ( $client->query('pingback.ping', array($pagelinkedfrom, $pagelinkedto) ) )
+			if ( $client->query('pingback.ping', $pagelinkedfrom, $pagelinkedto) )
 				add_ping( $post_ID, $pagelinkedto );
 			else
 				debug_fwrite($log, "Error.\n Fault code: ".$client->getErrorCode()." : ".$client->getErrorMessage()."\n");