diff --git a/modules/guestbook/skins/default/filter/insert_comment.xml b/modules/guestbook/skins/default/filter/insert_comment.xml
index e2e46f855..674c9501d 100644
--- a/modules/guestbook/skins/default/filter/insert_comment.xml
+++ b/modules/guestbook/skins/default/filter/insert_comment.xml
@@ -10,6 +10,7 @@
   <parameter>
     <param name="mid" target="mid" />
     <param name="document_srl" target="document_srl" />
+    <param name="comment_srl" target="comment_srl" />
     <param name="parent_srl" target="parent_srl" />
     <param name="nick_name" target="nick_name" />
     <param name="password" target="password" />