diff --git a/installer/data/mysql/atomicupdate/bug_30128.pl b/installer/data/mysql/atomicupdate/bug_30128.pl
new file mode 100755
index 0000000000..2b6b38b993
--- /dev/null
+++ b/installer/data/mysql/atomicupdate/bug_30128.pl
@@ -0,0 +1,14 @@
+use Modern::Perl;
+
+return {
+    bug_number => "30128",
+    description => "Change language_subtag_registry.description to varchar(255)",
+    up => sub {
+        my ($args) = @_;
+        my ($dbh, $out) = @$args{qw(dbh out)};
+        # Do you stuffs here
+        $dbh->do(q{
+            ALTER TABLE `language_subtag_registry` MODIFY COLUMN `description` VARCHAR(255) DEFAULT NULL
+        });
+    },
+};
diff --git a/installer/data/mysql/kohastructure.sql b/installer/data/mysql/kohastructure.sql
index 34a6a9665d..ab2c3c7a66 100644
--- a/installer/data/mysql/kohastructure.sql
+++ b/installer/data/mysql/kohastructure.sql
@@ -3277,7 +3277,7 @@ DROP TABLE IF EXISTS `language_subtag_registry`;
 CREATE TABLE `language_subtag_registry` (
   `subtag` varchar(25) COLLATE utf8mb4_unicode_ci DEFAULT NULL,
   `type` varchar(25) COLLATE utf8mb4_unicode_ci DEFAULT NULL COMMENT 'language-script-region-variant-extension-privateuse',
-  `description` varchar(25) COLLATE utf8mb4_unicode_ci DEFAULT NULL COMMENT 'only one of the possible descriptions for ease of reference, see language_descriptions for the complete list',
+  `description` varchar(255) COLLATE utf8mb4_unicode_ci DEFAULT NULL COMMENT 'only one of the possible descriptions for ease of reference, see language_descriptions for the complete list',
   `added` date DEFAULT NULL,
   `id` int(11) NOT NULL AUTO_INCREMENT,
   PRIMARY KEY (`id`),