diff --git a/includes/discovery/temperatures/ftos-s-series.inc.php b/includes/discovery/temperatures/dnos-ftos-s-series.inc.php
similarity index 91%
rename from includes/discovery/temperatures/ftos-s-series.inc.php
rename to includes/discovery/temperatures/dnos-ftos-s-series.inc.php
index f1628240f..fc18b4a6a 100644
--- a/includes/discovery/temperatures/ftos-s-series.inc.php
+++ b/includes/discovery/temperatures/dnos-ftos-s-series.inc.php
@@ -3,7 +3,7 @@
 // Force10 S-Series
 // F10-S-SERIES-CHASSIS-MIB::chStackUnitTemp.1 = Gauge32: 47
 // F10-S-SERIES-CHASSIS-MIB::chStackUnitModelID.1 = STRING: S25-01-GE-24V
-if ($device['os'] == 'ftos' || $device['os_group'] == 'ftos') {
+if ($device['os'] == 'ftos' || $device['os_group'] == 'ftos' || $device['os'] == 'dnos') {
     echo 'FTOS C-Series ';
 
     $oids = snmpwalk_cache_oid($device, 'chStackUnitTemp', array(), 'F10-S-SERIES-CHASSIS-MIB', $config['mib_dir'].':'.$config['mib_dir'].'/ftos');