diff --git a/misc/sql/installed_db_version b/misc/sql/installed_db_version
index 690a72ce..b5ef940a 100644
--- a/misc/sql/installed_db_version
+++ b/misc/sql/installed_db_version
@@ -1 +1 @@
-3000012
+3010400
diff --git a/misc/sql/mysql-upgrade/3010400/delete-device-cascade.sh b/misc/sql/mysql-upgrade/3010400/delete-device-cascade.sh
new file mode 100755
index 00000000..4089e294
--- /dev/null
+++ b/misc/sql/mysql-upgrade/3010400/delete-device-cascade.sh
@@ -0,0 +1,11 @@
+#!/bin/bash
+
+echo '
+ALTER TABLE EventsCam DROP CONSTRAINT `EventsCam_ibfk_3`;
+ALTER TABLE EventsCam ADD  CONSTRAINT `EventsCam_ibfk_3` FOREIGN KEY (`device_id`) REFERENCES `Devices` (`id`) ON UPDATE CASCADE ON DELETE CASCADE;
+
+ALTER TABLE Media     DROP CONSTRAINT `Media_ibfk_1`;
+ALTER TABLE Media     ADD  CONSTRAINT `Media_ibfk_1`     FOREIGN KEY (`device_id`) REFERENCES `Devices` (`id`) ON UPDATE CASCADE ON DELETE CASCADE;
+' | mysql -h"$host" -D"$dbname" -u"$user" -p"$password"
+
+exit 0
diff --git a/misc/sql/schema_mysql.sql b/misc/sql/schema_mysql.sql
index 779a37c9..ee4fdae0 100644
--- a/misc/sql/schema_mysql.sql
+++ b/misc/sql/schema_mysql.sql
@@ -174,7 +174,7 @@ CREATE TABLE `EventsCam` (
   KEY `time_index` (`time`) USING BTREE,
   CONSTRAINT `EventsCam_ibfk_1` FOREIGN KEY (`media_id`) REFERENCES `Media` (`id`) ON DELETE CASCADE,
   CONSTRAINT `EventsCam_ibfk_2` FOREIGN KEY (`level_id`) REFERENCES `EventLevels` (`id`),
-  CONSTRAINT `EventsCam_ibfk_3` FOREIGN KEY (`device_id`) REFERENCES `Devices` (`id`) ON UPDATE CASCADE,
+  CONSTRAINT `EventsCam_ibfk_3` FOREIGN KEY (`device_id`) REFERENCES `Devices` (`id`) ON UPDATE CASCADE ON DELETE CASCADE,
   CONSTRAINT `EventsCam_ibfk_4` FOREIGN KEY (`type_id`) REFERENCES `EventTypesCam` (`id`)
 ) ENGINE=InnoDB DEFAULT CHARSET=utf8;
 /*!40101 SET character_set_client = @saved_cs_client */;
@@ -227,7 +227,7 @@ CREATE TABLE `Media` (
   `archive` tinyint(1) NOT NULL DEFAULT '0',
   PRIMARY KEY (`id`),
   KEY `device_id` (`device_id`),
-  CONSTRAINT `Media_ibfk_1` FOREIGN KEY (`device_id`) REFERENCES `Devices` (`id`) ON UPDATE CASCADE
+  CONSTRAINT `Media_ibfk_1` FOREIGN KEY (`device_id`) REFERENCES `Devices` (`id`) ON UPDATE CASCADE ON DELETE CASCADE
 ) ENGINE=InnoDB DEFAULT CHARSET=utf8;
 /*!40101 SET character_set_client = @saved_cs_client */;
 DROP TABLE IF EXISTS `OnvifEvents`;