diff --git a/database-update.sql b/database-update.sql
index b5c284e2d..975a5fd66 100644
--- a/database-update.sql
+++ b/database-update.sql
@@ -36,5 +36,4 @@ ALTER TABLE  `mac_accounting` ADD INDEX (  `interface_id` );
 ALTER TABLE  `ipv4_addresses` ADD INDEX (  `interface_id` );
 ALTER TABLE  `ipv6_addresses` ADD INDEX (  `interface_id` );
 ALTER TABLE  `ipv4_mac` ADD INDEX (  `interface_id` );
-DROP TABLE `ports_adsl`;
 CREATE TABLE IF NOT EXISTS `ports_adsl` (  `interface_id` int(11) NOT NULL,  `port_adsl_updated` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP,  `adslLineCoding` varchar(8) COLLATE utf8_bin NOT NULL,  `adslLineType` varchar(16) COLLATE utf8_bin NOT NULL,  `adslAtucInvVendorID` varchar(8) COLLATE utf8_bin NOT NULL,  `adslAtucInvVersionNumber` varchar(8) COLLATE utf8_bin NOT NULL,  `adslAtucCurrSnrMgn` decimal(5,1) NOT NULL,  `adslAtucCurrAtn` decimal(5,1) NOT NULL,  `adslAtucCurrOutputPwr` decimal(5,1) NOT NULL,  `adslAtucCurrAttainableRate` int(11) NOT NULL,  `adslAtucChanCurrTxRate` int(11) NOT NULL,  `adslAturInvSerialNumber` varchar(8) COLLATE utf8_bin NOT NULL,  `adslAturInvVendorID` varchar(8) COLLATE utf8_bin NOT NULL,  `adslAturInvVersionNumber` varchar(8) COLLATE utf8_bin NOT NULL,  `adslAturChanCurrTxRate` int(11) NOT NULL,  `adslAturCurrSnrMgn` decimal(5,1) NOT NULL,  `adslAturCurrAtn` decimal(5,1) NOT NULL,  `adslAturCurrOutputPwr` decimal(5,1) NOT NULL,  `adslAturCurrAttainableRate` int(11) NOT NULL,  UNIQUE KEY `interface_id` (`interface_id`)) ENGINE=InnoDB DEFAULT CHARSET=utf8 COLLATE=utf8_bin;