diff --git a/installer/data/mysql/db_revs/241100002.pl b/installer/data/mysql/db_revs/241100002.pl
index 6fb6fe6aaf..0df3337557 100755
--- a/installer/data/mysql/db_revs/241100002.pl
+++ b/installer/data/mysql/db_revs/241100002.pl
@@ -8,7 +8,7 @@ return {
         my ($args) = @_;
         my ( $dbh, $out ) = @$args{qw(dbh out)};
 
-        $dbh->do(q{ALTER TABLE erm_agreements MODIFY COLUMN license_info mediumtext});
+        $dbh->do(q{ALTER TABLE erm_agreements MODIFY COLUMN license_info mediumtext DEFAULT NULL COMMENT 'info about the license'});
         say_success( $out, "Updated erm_agreements.license_info to mediumtext." );
     },
 };