diff --git a/boot.php b/boot.php
index 397513312..695a8a96a 100755
--- a/boot.php
+++ b/boot.php
@@ -43,7 +43,7 @@ require_once('include/taxonomy.php');
 define ( 'RED_PLATFORM',            'Red Matrix' );
 define ( 'RED_VERSION',             trim(file_get_contents('version.inc')) . 'R');
 define ( 'ZOT_REVISION',            1     ); 
-define ( 'DB_UPDATE_VERSION',       1050  );
+define ( 'DB_UPDATE_VERSION',       1051  );
 
 define ( 'EOL',                    '<br />' . "\r\n"     );
 define ( 'ATOM_TIME',              'Y-m-d\TH:i:s\Z' );
diff --git a/install/database.sql b/install/database.sql
index 6b6f233b1..e7ca0e595 100644
--- a/install/database.sql
+++ b/install/database.sql
@@ -612,9 +612,7 @@ CREATE TABLE IF NOT EXISTS `obj` (
   KEY `obj_type` (`obj_type`),
   KEY `obj_channel` (`obj_channel`),
   KEY `obj_obj` (`obj_obj`)
-) ENGINE=MyISAM DEFAULT CHARSET=utf8;
-
-
+) ENGINE=MyISAM  DEFAULT CHARSET=utf8;
 
 CREATE TABLE IF NOT EXISTS `outq` (
   `outq_hash` char(255) NOT NULL,
@@ -958,9 +956,9 @@ CREATE TABLE IF NOT EXISTS `xlink` (
 
 CREATE TABLE IF NOT EXISTS `xprof` (
   `xprof_hash` char(255) NOT NULL,
+  `xprof_age` tinyint(3) unsigned NOT NULL DEFAULT '0',
   `xprof_desc` char(255) NOT NULL DEFAULT '',
   `xprof_dob` char(12) NOT NULL DEFAULT '',
-  `xprof_age` tinyint(3) NOT NULL DEFAULT '0',
   `xprof_gender` char(255) NOT NULL DEFAULT '',
   `xprof_marital` char(255) NOT NULL DEFAULT '',
   `xprof_sexual` char(255) NOT NULL DEFAULT '',
@@ -972,19 +970,21 @@ CREATE TABLE IF NOT EXISTS `xprof` (
   PRIMARY KEY (`xprof_hash`),
   KEY `xprof_desc` (`xprof_desc`),
   KEY `xprof_dob` (`xprof_dob`),
-  KEY `xprof_age` (`xprof_age`),
   KEY `xprof_gender` (`xprof_gender`),
   KEY `xprof_marital` (`xprof_marital`),
   KEY `xprof_sexual` (`xprof_sexual`),
   KEY `xprof_locale` (`xprof_locale`),
   KEY `xprof_region` (`xprof_region`),
   KEY `xprof_postcode` (`xprof_postcode`),
-  KEY `xprof_country` (`xprof_country`)
+  KEY `xprof_country` (`xprof_country`),
+  KEY `xprof_age` (`xprof_age`)
 ) ENGINE=MyISAM DEFAULT CHARSET=utf8;
 
 CREATE TABLE IF NOT EXISTS `xtag` (
+  `xtag_id` int(10) unsigned NOT NULL AUTO_INCREMENT,
   `xtag_hash` char(255) NOT NULL,
   `xtag_term` char(255) NOT NULL DEFAULT '',
-  PRIMARY KEY (`xtag_hash`),
-  KEY `xtag_term` (`xtag_term`)
+  PRIMARY KEY (`xtag_id`),
+  KEY `xtag_term` (`xtag_term`),
+  KEY `xtag_hash` (`xtag_hash`)
 ) ENGINE=MyISAM DEFAULT CHARSET=utf8;
diff --git a/install/update.php b/install/update.php
index 051090768..f02676e2a 100644
--- a/install/update.php
+++ b/install/update.php
@@ -1,6 +1,6 @@
 <?php
 
-define( 'UPDATE_VERSION' , 1050 );
+define( 'UPDATE_VERSION' , 1051 );
 
 /**
  *
@@ -609,4 +609,12 @@ function update_r1049() {
 	if($r)
 		return UPDATE_SUCCESS;
 	return UPDATE_FAILED;
-}
\ No newline at end of file
+}
+
+function update_r1050() {
+	$r = q("ALTER TABLE `xtag` DROP PRIMARY KEY , ADD `xtag_id` INT UNSIGNED NOT NULL AUTO_INCREMENT PRIMARY KEY FIRST , ADD INDEX ( `xtag_hash` ) ");
+
+	if($r)
+		return UPDATE_SUCCESS;
+	return UPDATE_FAILED;
+}