diff --git a/db/update21.5.sql b/db/update21.5.sql
index e377cdae9a..21dec02fb8 100644
--- a/db/update21.5.sql
+++ b/db/update21.5.sql
@@ -6,4 +6,4 @@ ALTER TABLE `zt_doc` ADD COLUMN `editUsers` text NULL AFTER `editGroups`;
 ALTER TABLE `zt_doc` ADD COLUMN `readGroups` varchar(255) NOT NULL DEFAULT '' AFTER `users`;
 ALTER TABLE `zt_doc` ADD COLUMN `readUsers` text NULL AFTER `readGroups`;
 
-ALTER TABLE `zt_feedback` ADD COLUMN `preStatus` varchar(30) NOT NULL DEFAULT '' AFTER `subStatus`;
+ALTER TABLE `zt_feedback` ADD COLUMN `prevStatus` varchar(30) NOT NULL DEFAULT '' AFTER `subStatus`;