diff --git a/install/gnuboard4s.sql b/install/gnuboard4s.sql
index ae3dfff68..ec9c3bd03 100644
--- a/install/gnuboard4s.sql
+++ b/install/gnuboard4s.sql
@@ -277,6 +277,7 @@ CREATE TABLE IF NOT EXISTS `g4s_config` (
   `cf_mobile_member_skin` varchar(255) NOT NULL default'',
   `cf_gcaptcha_mp3` varchar(255) NOT NULL default'',
   `cf_kcpcert_site_cd` varchar(255) NOT NULL default '',
+  `cf_kcpcert_use` tinyint(4) NOT NULL default '0',
   `cf_adult_check` tinyint(4) NOT NULL default '0',
   `cf_1_subj` varchar(255) NOT NULL default '',
   `cf_2_subj` varchar(255) NOT NULL default '',