Index: comment.php
===================================================================
--- comment.php	(revision 16518)
+++ comment.php	(working copy)
@@ -1453,7 +1453,7 @@
 	// Now extract the merged array.
 	extract(stripslashes_deep($commentarr), EXTR_SKIP);
 
-	$comment_content = apply_filters('comment_save_pre', $comment_content);
+	$comment_content = apply_filters('comment_save_pre', $comment_content, $commentarr['comment_ID']);
 
 	$comment_date_gmt = get_gmt_from_date($comment_date);