diff --git a/pandora_console/extras/mr/39.sql b/pandora_console/extras/mr/39.sql
index 70056de503..676ac4137e 100644
--- a/pandora_console/extras/mr/39.sql
+++ b/pandora_console/extras/mr/39.sql
@@ -1,6 +1,7 @@
 START TRANSACTION;
 
 ALTER TABLE `tservice_element` ADD COLUMN `rules` text;
+ALTER TABLE `tservice` ADD COLUMN `unknown_as_critical` tinyint(1) NOT NULL default 0 AFTER `warning`;
 
 UPDATE `tservice` SET `auto_calculate`=0;
 
diff --git a/pandora_console/extras/pandoradb_migrate_6.0_to_7.0.mysql.sql b/pandora_console/extras/pandoradb_migrate_6.0_to_7.0.mysql.sql
index 7ab696009d..538d2acf72 100644
--- a/pandora_console/extras/pandoradb_migrate_6.0_to_7.0.mysql.sql
+++ b/pandora_console/extras/pandoradb_migrate_6.0_to_7.0.mysql.sql
@@ -1526,6 +1526,8 @@ ALTER TABLE `tservice` ADD COLUMN `cps` int NOT NULL default 0;
 ALTER TABLE `tservice` ADD COLUMN `cascade_protection` tinyint(1) NOT NULL default 0;
 ALTER TABLE `tservice` ADD COLUMN `evaluate_sla` int(1) NOT NULL default 0;
 ALTER TABLE `tservice` ADD COLUMN `is_favourite` tinyint(1) NOT NULL default 0;
+ALTER TABLE `tservice` ADD COLUMN `unknown_as_critical` tinyint(1) NOT NULL default 0 AFTER `warning`;
+
 UPDATE tservice SET `is_favourite` = 1 WHERE `name` REGEXP '^[_|.|\[|\(]';
 -- ALl previous services are manual now.
 UPDATE `tservice` SET `auto_calculate` = 0;
diff --git a/pandora_console/pandoradb.sql b/pandora_console/pandoradb.sql
index 9ad79d7f99..eaed73d84c 100644
--- a/pandora_console/pandoradb.sql
+++ b/pandora_console/pandoradb.sql
@@ -2684,6 +2684,7 @@ CREATE TABLE IF NOT EXISTS `tservice` (
 	`id_group` int(10) unsigned NOT NULL default 0,
 	`critical` float(20,3) NOT NULL default 0,
 	`warning` float(20,3) NOT NULL default 0,
+	`unknown_as_critical` tinyint(1) NOT NULL default 0,
 	`service_interval` float(20,3) NOT NULL default 0,
 	`service_value` float(20,3) NOT NULL default 0,
 	`status` tinyint(3) NOT NULL default -1,