--- /usr/share/zabbix/api/classes/CItemGeneral.php	2016-01-14 15:11:26.920403504 +0900
+++ /usr/share/zabbix/api/classes/CItemGeneral.php.fix	2016-01-14 15:11:12.824400866 +0900
@@ -60,7 +60,7 @@ abstract class CItemGeneral extends CZBX
 			'trapper_hosts'			=> array(),
 			'units'					=> array('template' => 1),
 			'multiplier'			=> array('template' => 1),
-			'delta'					=> array(),
+			'delta'					=> array('template' => 1),
 			'prevorgvalue'			=> array('system' => 1),
 			'snmpv3_securityname'	=> array(),
 			'snmpv3_securitylevel'	=> array(),