diff --git a/src/psm/Util/Install/Installer.php b/src/psm/Util/Install/Installer.php
index 5728007e..836d5e41 100644
--- a/src/psm/Util/Install/Installer.php
+++ b/src/psm/Util/Install/Installer.php
@@ -747,6 +747,8 @@ class Installer
             CHARACTER SET utf8 COLLATE utf8_general_ci NOT NULL;";
         $queries[] = "ALTER TABLE `" . PSM_DB_PREFIX . "servers` 
             ADD `webhook` ENUM( 'yes','no' ) NOT NULL DEFAULT 'yes' AFTER `telegram`;";
+        $queries[] = "ALTER TABLE `" . PSM_DB_PREFIX . "servers` 
+            ADD `custom_header` TEXT NULL DEFAULT NULL AFTER `last_output`;";
         $queries[] = "INSERT INTO `" . PSM_DB_PREFIX . "config` (`key`, `value`) VALUE
                     ('discord_status', '0'),
                     ('log_discord', '1'),