1 files changed, 3 insertions, 3 deletions
diff --git a/mysql-test/t/grant_lowercase.test b/mysql-test/t/grant_lowercase.test
index 4fc5facf808..4b27b4c674d 100644
--- a/mysql-test/t/grant_lowercase.test
+++ b/mysql-test/t/grant_lowercase.test
@@ -19,13 +19,13 @@ drop user user1@localhost;
 # in acl_load()
 call mtr.add_suppression("Incorrect database name");
 alter table mysql.host modify Db varchar(200);
-alter table mysql.db modify User char(16), modify Db varchar(200);
+alter table mysql.db modify User char(16) default "", modify Db varchar(200) default "";
 insert mysql.host set db=concat('=>', repeat(_utf8 'й', 200));
 insert mysql.db set db=concat('=>', repeat(_utf8 'й', 200));
 flush privileges; # shouldn't crash here
 delete from mysql.host where db like '=>%';
 delete from mysql.db where db like '=>%';
-alter table mysql.host modify Db char(64);
-alter table mysql.db modify Db char(64), modify User char(80);
+alter table mysql.host modify Db char(64) default "";
+alter table mysql.db modify Db char(64) default "", modify User char(80) default "";
 flush privileges;