diff --git a/install/sql/incremental/upd_dev_collection.sql b/install/sql/incremental/upd_dev_collection.sql
index ea0011b5a0cfa670a255486243b7a0804319d2b8..4c855b541c293807a9bffdd0c8f4ae9db321dc51 100644
--- a/install/sql/incremental/upd_dev_collection.sql
+++ b/install/sql/incremental/upd_dev_collection.sql
@@ -78,3 +78,4 @@ INSERT IGNORE INTO `dns_ssl_ca` (`id`, `sys_userid`, `sys_groupid`, `sys_perm_us
 (NULL, 1, 1, 'riud', 'riud', '', 'Y', 'WISeKey', 'wisekey.com', 'Y', '', 0),
 (NULL, 1, 1, 'riud', 'riud', '', 'Y', 'WoSign', 'wosign.com', 'Y', '', 0);
 
+ALTER TABLE `dns_soa` CHANGE `xfer` `xfer` TEXT NOT NULL DEFAULT '';
diff --git a/install/sql/ispconfig3.sql b/install/sql/ispconfig3.sql
index c5212450399ce8496d7e22cf714095698b2a26f2..dd45aa2091567741c9227abe4689566a3911573b 100644
--- a/install/sql/ispconfig3.sql
+++ b/install/sql/ispconfig3.sql
@@ -620,7 +620,7 @@ CREATE TABLE `dns_soa` (
   `minimum` int(11) unsigned NOT NULL default '3600',
   `ttl` int(11) unsigned NOT NULL default '3600',
   `active` enum('N','Y') NOT NULL DEFAULT 'N',
-  `xfer` varchar(255) NOT NULL DEFAULT '',
+  `xfer` TEXT NOT NULL DEFAULT '',
   `also_notify` varchar(255) default NULL,
   `update_acl` varchar(255) default NULL,
   `dnssec_initialized` ENUM('Y','N') NOT NULL DEFAULT 'N',