diff --git a/webapp/classes/AddReward.php b/webapp/classes/AddReward.php
index 7b5033f..95bb537 100644
--- a/webapp/classes/AddReward.php
+++ b/webapp/classes/AddReward.php
@@ -13,7 +13,7 @@ class AddReward {
             'port' => $mysql_conf['port'],
             'user' => $mysql_conf['user'],
             'passwd' => $mysql_conf['passwd'],
-            'dbname' => 'gamedb2004_' . $mysql_conf['instance_id']
+            'dbname' => DBNAME_PREFIX . $mysql_conf['instance_id']
         ));
         return $conn;
     }
diff --git a/webapp/classes/Quest.php b/webapp/classes/Quest.php
index 30560b8..5955e97 100644
--- a/webapp/classes/Quest.php
+++ b/webapp/classes/Quest.php
@@ -14,7 +14,7 @@ class Quest{
             'port' => $mysql_conf['port'],
             'user' => $mysql_conf['user'],
             'passwd' => $mysql_conf['passwd'],
-            'dbname' => 'gamedb2004_' . $mysql_conf['instance_id']
+            'dbname' => DBNAME_PREFIX . $mysql_conf['instance_id']
         ));
         return $conn;
     }