Index: wp-includes/post-template.php
===================================================================
--- wp-includes/post-template.php	(revision 6765)
+++ wp-includes/post-template.php	(working copy)
@@ -59,7 +59,7 @@
 	else if ( isset($post->post_status) && 'private' == $post->post_status )
 		$title = sprintf(__('Private: %s'), $title);
 
-	return apply_filters( 'the_title', $title );
+	return apply_filters( 'the_title', $title, $post->ID );
 }
 
 function the_guid( $id = 0 ) {