diff --git a/airtime_mvc/application/controllers/upgrade_sql/airtime_2.5.5/upgrade.sql b/airtime_mvc/application/controllers/upgrade_sql/airtime_2.5.2/upgrade.sql
similarity index 96%
rename from airtime_mvc/application/controllers/upgrade_sql/airtime_2.5.5/upgrade.sql
rename to airtime_mvc/application/controllers/upgrade_sql/airtime_2.5.2/upgrade.sql
index 191eb2084..cb0c520b7 100644
--- a/airtime_mvc/application/controllers/upgrade_sql/airtime_2.5.5/upgrade.sql
+++ b/airtime_mvc/application/controllers/upgrade_sql/airtime_2.5.2/upgrade.sql
@@ -1,5 +1,5 @@
 DELETE FROM cc_pref WHERE keystr = 'system_version';
-INSERT INTO cc_pref (keystr, valstr) VALUES ('system_version', '2.5.5');
+INSERT INTO cc_pref (keystr, valstr) VALUES ('system_version', '2.5.2');
 
 ALTER TABLE cc_show ADD COLUMN image_path varchar(255) DEFAULT '';
 ALTER TABLE cc_show_instances ADD COLUMN description varchar(255) DEFAULT '';