diff --git a/db/update4.0.beta2.sql b/db/update4.0.beta2.sql
index 1a31686a3d..aa3d455973 100644
--- a/db/update4.0.beta2.sql
+++ b/db/update4.0.beta2.sql
@@ -5,3 +5,5 @@ ALTER TABLE  `zt_taskEstimate` ADD  `consumed` TINYINT( 3 ) UNSIGNED NOT NULL AF
 UPDATE `zt_group` SET `role` = 'guest' WHERE `name` = 'guest';
 ALTER TABLE  `zt_taskEstimate` CHANGE  `estimate`  `left` TINYINT( 3 ) UNSIGNED NOT NULL DEFAULT  '0';
 ALTER TABLE  `zt_taskEstimate` CHANGE  `date`  `date` DATETIME NOT NULL;
+ALTER TABLE  `zt_taskestimate` CHANGE  `left`  `left` FLOAT UNSIGNED NOT NULL DEFAULT  '0',
+CHANGE  `consumed`  `consumed` FLOAT UNSIGNED NOT NULL;