CONVERT TO CHARACTER SET utf8 doesn't change DEFAULT CHARSET

> show create table seller_counters;

| seller_counters | CREATE TABLE `seller_counters` (

  `seller_id` int(11) NOT NULL,

  `category_id` int(11) NOT NULL,

  `counter` int(11) NOT NULL DEFAULT '0',

  PRIMARY KEY (`seller_id`,`category_id`)

) ENGINE=InnoDB DEFAULT CHARSET=latin1 |

> select count(*) from seller_counters;

| count(*) |

|     1859 |

> alter table seller_counters CONVERT TO CHARACTER SET utf8;

Query OK, 0 rows affected (0.00 sec)

Records: 0  Duplicates: 0  Warnings: 0

> show create table seller_counters;

| Table           | Create Table                                                                                                                                                                                                                  |

| seller_counters | CREATE TABLE `seller_counters` (

  `seller_id` int(11) NOT NULL,

  `category_id` int(11) NOT NULL,

  `counter` int(11) NOT NULL DEFAULT '0',

  PRIMARY KEY (`seller_id`,`category_id`)

) ENGINE=InnoDB DEFAULT CHARSET=latin1 |