diff --git a/dialect_mysql.go b/dialect_mysql.go
index d068ebe8..b964cebb 100644
--- a/dialect_mysql.go
+++ b/dialect_mysql.go
@@ -80,8 +80,12 @@ func (d MySQLDialect) ToSqlType(val reflect.Type, maxsize int, isAutoIncr bool)
 	 */
 	if maxsize < 256 {
 		return fmt.Sprintf("varchar(%d)", maxsize)
-	} else {
+	} else if maxsize < 65536 {
 		return "text"
+	} else if maxsize < 16777216 {
+		return "mediumtext"
+	} else {
+		return "longtext"
 	}
 }