diff --git a/phpBB/includes/acp/acp_database.php b/phpBB/includes/acp/acp_database.php
index 62bcd43a47..758cd10434 100644
--- a/phpBB/includes/acp/acp_database.php
+++ b/phpBB/includes/acp/acp_database.php
@@ -21,6 +21,7 @@ if (!defined('IN_PHPBB'))
 */
 class acp_database
 {
+	var $db_tools;
 	var $u_action;
 
 	function main($id, $mode)
@@ -28,6 +29,12 @@ class acp_database
 		global $cache, $db, $user, $auth, $template, $table_prefix;
 		global $config, $phpbb_root_path, $phpbb_admin_path, $phpEx;
 
+		if (!class_exists('phpbb_db_tools'))
+		{
+			require($phpbb_root_path . 'includes/db/db_tools.' . $phpEx);
+		}
+		$this->db_tools = new phpbb_db_tools($db);
+
 		$user->add_lang('acp/database');
 
 		$this->tpl_name = 'acp_database';
@@ -50,7 +57,7 @@ class acp_database
 				{
 					case 'download':
 						$type	= request_var('type', '');
-						$table	= request_var('table', array(''));
+						$table	= array_intersect($this->db_tools->sql_list_tables(), request_var('table', array('')));
 						$format	= request_var('method', '');
 						$where	= request_var('where', '');
 
@@ -173,8 +180,7 @@ class acp_database
 					break;
 
 					default:
-						include($phpbb_root_path . 'includes/functions_install.' . $phpEx);
-						$tables = get_tables($db);
+						$tables = $this->db_tools->sql_list_tables();
 						asort($tables);
 						foreach ($tables as $table_name)
 						{