Index: zabbix-1.8.2/frontends/php/popup_bitem.php
===================================================================
--- zabbix-1.8.2.orig/frontends/php/popup_bitem.php
+++ zabbix-1.8.2/frontends/php/popup_bitem.php
@@ -43,7 +43,7 @@ include_once 'include/page_header.php';
 
 		'list_name'=>	array(T_ZBX_STR, O_OPT,  P_SYS,	NOT_EMPTY,			'isset({save})&&isset({gid})'),
 		'caption'=>		array(T_ZBX_STR, O_OPT,  null,	null,			null),
-		'itemid'=>		array(T_ZBX_INT, O_OPT,  null,	DB_ID.'({}!=0)',	'isset({save})'),
+		'itemid'=>		array(T_ZBX_INT, O_OPT,  P_SYS, DB_ID.'({}!=0)',	'isset({save})'),
 		'color'=>		array(T_ZBX_CLR, O_OPT,  null,	null,				'isset({save})'),
 		'calc_fnc'=>	array(T_ZBX_INT, O_OPT,	 null,	IN('0,1,2,4,7,9'),	'isset({save})'),
 		'axisside'=>	array(T_ZBX_INT, O_OPT,	 null,	IN(GRAPH_YAXIS_SIDE_LEFT.','.GRAPH_YAXIS_SIDE_RIGHT),	null),
