diff --git a/sql/autonomous_fix.sql b/sql/autonomous_fix.sql
new file mode 100644
index 0000000..95326e5
--- /dev/null
+++ b/sql/autonomous_fix.sql
@@ -0,0 +1 @@
+ALTER TABLE `autonomous` CHANGE `starttime` `starttime` VARCHAR( 6 ) CHARACTER SET latin1 COLLATE latin1_swedish_ci NOT NULL DEFAULT '-1,-1'
\ No newline at end of file
diff --git a/sql/structure.sql b/sql/structure.sql
index 083e568..6133d9e 100644
--- a/sql/structure.sql
+++ b/sql/structure.sql
@@ -17,7 +17,7 @@ CREATE TABLE IF NOT EXISTS `admin` (
 CREATE TABLE IF NOT EXISTS `autonomous` (
   `id` int(11) NOT NULL AUTO_INCREMENT,
   `startday` int(11) NOT NULL DEFAULT '-1',
-  `starttime` bigint(20) NOT NULL DEFAULT '-1',
+  `starttime` varchar(6) NOT NULL DEFAULT '-1,-1',
   `periodicity` bigint(20) NOT NULL DEFAULT '1440',
   `randomness` bigint(20) NOT NULL DEFAULT '0',
   `respid` int(11) NOT NULL,