diff --git a/install/sql/incremental/upd_0078.sql b/install/sql/incremental/upd_0078.sql
index ea78b87a88a15fca8148776854ee09c8707456c7..ca3be98f514a1a30e65398f2cd91f175d9579ecf 100644
--- a/install/sql/incremental/upd_0078.sql
+++ b/install/sql/incremental/upd_0078.sql
@@ -1,2 +1,2 @@
-ALTER TABLE `dns_rr` CHANGE `data` `data` TEXT NOT NULL DEFAULT '';
-ALTER TABLE  `web_domain` DROP INDEX `serverdomain`, ADD UNIQUE  `serverdomain` (  `server_id` , `ip_address`, `domain` );
+ALTER TABLE `dns_rr` CHANGE `data` `data` TEXT NOT NULL;
+ALTER TABLE `web_domain` DROP INDEX `serverdomain`, ADD UNIQUE  `serverdomain` (  `server_id` , `ip_address`, `domain` );
diff --git a/install/sql/ispconfig3.sql b/install/sql/ispconfig3.sql
index d9829ab6695306015c9dc75d1f69297e1fac7089..1934cd8957448053990a71608cd24440bba69ba6 100644
--- a/install/sql/ispconfig3.sql
+++ b/install/sql/ispconfig3.sql
@@ -490,7 +490,7 @@ CREATE TABLE `dns_rr` (
   `zone` int(11) unsigned NOT NULL DEFAULT '0',
   `name` varchar(255) NOT NULL DEFAULT '',
   `type` enum('A','AAAA','ALIAS','CNAME','DS','HINFO','LOC','MX','NAPTR','NS','PTR','RP','SRV','TXT','TLSA','DNSKEY') default NULL,
-  `data` TEXT NOT NULL DEFAULT '',
+  `data` TEXT NOT NULL,
   `aux` int(11) unsigned NOT NULL default '0',
   `ttl` int(11) unsigned NOT NULL default '3600',
   `active` enum('N','Y') NOT NULL default 'Y',