diff --git a/database/database.mysql b/database/database.mysql
index 10f3ff9dca2..686a8c968e6 100644
--- a/database/database.mysql
+++ b/database/database.mysql
@@ -557,7 +557,7 @@ CREATE TABLE users (
   rid int(10) unsigned NOT NULL default '0',
   PRIMARY KEY  (uid),
   UNIQUE KEY name (name),
-  KEY timestamp (timestamp)
+  KEY changed (changed)
 ) TYPE=MyISAM;
 
 --
diff --git a/database/database.pgsql b/database/database.pgsql
index 213f71a938d..6d3da335c61 100644
--- a/database/database.pgsql
+++ b/database/database.pgsql
@@ -523,7 +523,7 @@ CREATE TABLE users (
   PRIMARY KEY  (uid),
   UNIQUE (name)
 );
-CREATE INDEX users_timestamp_idx ON users(timestamp);
+CREATE INDEX users_changed_idx ON users(changed);
 
 CREATE SEQUENCE users_uid_seq INCREMENT 1 START 1;