diff --git a/include/upgrader/sql/15b30765-dd0022fb.cleanup.sql b/include/upgrader/sql/15b30765-dd0022fb.cleanup.sql
index 8ea3afead6237d997420f172928e720f1a7f2e7d..fdbd27d1f799d5da54b12d60522aa451f177798c 100644
--- a/include/upgrader/sql/15b30765-dd0022fb.cleanup.sql
+++ b/include/upgrader/sql/15b30765-dd0022fb.cleanup.sql
@@ -7,4 +7,4 @@ ALTER TABLE `%TABLE_PREFIX%ticket_attachment`
     DROP `file_name`,
     DROP `file_key`,
     DROP `updated`,
-    DROP `isdeleted`;
+    DROP `deleted`;