Index: wp-includes/comment-template.php
===================================================================
--- wp-includes/comment-template.php	(revision 6092)
+++ wp-includes/comment-template.php	(working copy)
@@ -161,9 +161,9 @@
 	return apply_filters('get_comments_number', $count);
 }
 
-function comments_number( $zero = false, $one = false, $more = false, $deprecated = '' ) {
+function comments_number( $zero = false, $one = false, $more = false, $number = '' ) {
 	global $id;
-	$number = get_comments_number($id);
+	if ( empty($number) ) $number = get_comments_number($id);
 
 	if ( $number > 1 )
 		$output = str_replace('%', $number, ( false === $more ) ? __('% Comments') : $more);