diff --git a/install/install_db.php b/install/install_db.php
index 7d3f8d317..371c57822 100644
--- a/install/install_db.php
+++ b/install/install_db.php
@@ -55,6 +55,7 @@ if (!$dblink) {
     exit;
 }
 
+$g5['connect_db'] = $dblink;
 $select_db = sql_select_db($mysql_db, $dblink);
 if (!$select_db) {
 ?>
@@ -199,6 +200,7 @@ $sql = " insert into `{$table_prefix}member`
                  mb_level = '10',
                  mb_mailling = '1',
                  mb_open = '1',
+                 mb_nick_date = '".G5_TIME_YMDHIS."',
                  mb_email_certify = '".G5_TIME_YMDHIS."',
                  mb_datetime = '".G5_TIME_YMDHIS."',
                  mb_ip = '{$_SERVER['REMOTE_ADDR']}'