diff --git a/includes/discovery/temperatures/cisco-envmon.inc.php b/includes/discovery/temperatures/cisco-envmon.inc.php
index bcb4e1756..e2feebf90 100644
--- a/includes/discovery/temperatures/cisco-envmon.inc.php
+++ b/includes/discovery/temperatures/cisco-envmon.inc.php
@@ -1,6 +1,6 @@
 <?php
 
-if (mysql_result(mysql_query("SELECT COUNT(*) FROM `sensors` WHERE `device_id` = '".$device['device_id']."' AND `sensor_class` = 'temperature' AND (`sensor_type` = 'cisco-entity-sensor' OR `sensor_type` = 'entity-sensor')"),0) == "0" && ($device['os'] == "ios" || $device['os_group'] == "ios"))
+if (mysql_result(mysql_query("SELECT COUNT(*) FROM `sensors` WHERE `device_id` = '".$device['device_id']."' AND `sensor_class` = 'temperature' AND (`sensor_type` = 'cisco-entity-sensor' OR `sensor_type` = 'entity-sensor')"),0) == "0" && (in_array($device['os'], array("ios", "catos")) || in_array($device['os_group'], array("ios", "catos"))))
 {
   echo("Cisco ");
   $oids = snmp_walk($device, ".1.3.6.1.4.1.9.9.13.1.3.1.2", "-Osqn", "CISCO-ENVMON-MIB");