diff --git a/zabbix/datasource.js b/zabbix/datasource.js
index fcdc3cf..0d55f92 100644
--- a/zabbix/datasource.js
+++ b/zabbix/datasource.js
@@ -314,7 +314,10 @@ function (angular, _, kbn) {
         params: {
           output: ['name', 'key_', 'value_type', 'delay'],
           sortfield: 'name',
-          hostids: hostid
+          hostids: hostid,
+          filter: {
+            value_type: [0,3]
+          }
         },
         auth: this.auth,
         id: 1