diff --git a/setup/inc/sql/49478749-c2d2fabf.patch.sql b/setup/inc/sql/49478749-c2d2fabf.patch.sql
index 506d85572be1438a2734627f447e04f8616d6285..5a9c7d37bd8241ab1a2d37ee8992543511bb9d4b 100644
--- a/setup/inc/sql/49478749-c2d2fabf.patch.sql
+++ b/setup/inc/sql/49478749-c2d2fabf.patch.sql
@@ -1,2 +1,5 @@
 ALTER TABLE  `%TABLE_PREFIX%config` CHANGE  `show_answered_tickets`  `show_answered_tickets` TINYINT( 1 ) UNSIGNED NOT NULL DEFAULT  '0';
 ALTER TABLE  `%TABLE_PREFIX%config` ADD  `show_notes_inline` TINYINT( 1 ) UNSIGNED NOT NULL DEFAULT  '1' AFTER  `show_answered_tickets`;
+-- update patch signature
+UPDATE `%TABLE_PREFIX%config`
+    SET `schema_signature`='c2d2fabfdf15e1632f00850ffb361558';