diff --git a/database-update.sql b/database-update.sql
index e4e239116..c47976ff6 100644
--- a/database-update.sql
+++ b/database-update.sql
@@ -106,5 +106,5 @@ ALTER TABLE `syslog` CHANGE `datetime` `datetime` TIMESTAMP NOT NULL DEFAULT CUR
 ALTER TABLE `syslog`  DROP `host`,  DROP `processed`;
 RENAME TABLE  `interfaces` TO  `ports` ;
 RENAME TABLE  `interfaces_perms` TO `ports_perms` ;
-ALTER TABLE  `temperature` ADD `temp_index` VARCHAR( 32 ) NOT NULL AFTER  `device_id` , ADD  `temp_type` VARCHAR( 16 ) NOT NULL AFTER  `temp_index`;
+ALTER TABLE  `temperature` CHANGE `temp_index` `temp_index` VARCHAR( 32 ) NOT NULL AFTER  `device_id` , ADD  `temp_type` VARCHAR( 16 ) NOT NULL AFTER  `temp_index`;
 ALTER TABLE  `processors` CHANGE  `processor_oid`  `processor_oid` VARCHAR( 128 ) NOT NULL