wrong geometry type

describe geozone;

polygon       | polygon      | NO   |     | NULL    |                |

describe geozone;

polygon       | geometry     | NO   |     | NULL    |                |

CREATE TABLE `geozone` (

  `id` int(11) NOT NULL,

  `name` varchar(255) NOT NULL,

  `user_id` int(11) NOT NULL COMMENT 'creator',

  `active` tinyint(4) DEFAULT '1',

  `ride_end` tinyint(1) DEFAULT NULL COMMENT 'Jestli se v teto oblasti ma ukoncit jizda',

  `min_lat` double DEFAULT NULL,

  `min_lon` double DEFAULT NULL,

  `max_lat` double DEFAULT NULL,

  `max_lon` double DEFAULT NULL,

  `polygon` geometry NOT NULL,

  `polygonBackup` polygon DEFAULT NULL,

  `ride_type` tinyint(1) NOT NULL DEFAULT '0' COMMENT '1 soukroma/2 sluzebni'

) ENGINE=InnoDB DEFAULT CHARSET=utf8 COMMENT='geozone';