diff --git a/database-update.sql b/database-update.sql
index 30872e253b..c11d3d47c7 100644
--- a/database-update.sql
+++ b/database-update.sql
@@ -17,3 +17,7 @@ ALTER TABLE  `perf_times` CHANGE  `duration`  `duration` DOUBLE( 8, 2 ) NOT NULL
 ALTER TABLE `sensors` ADD `poller_type` VARCHAR(16) NOT NULL DEFAULT 'snmp' AFTER `device_id`;
 ## Add transport
 ALTER TABLE `devices` ADD `transport` VARCHAR(16) NOT NULL DEFAULT 'udp' AFTER `port`;
+## Extend port descriptions
+ALTER TABLE ports MODIFY port_descr_circuit VARCHAR(255);
+ALTER TABLE ports MODIFY port_descr_descr VARCHAR(255);
+ALTER TABLE ports MODIFY port_descr_notes VARCHAR(255);