diff --git a/includes/discovery/temperatures/dell.inc.php b/includes/discovery/temperatures/dell.inc.php
index c11f786bdf..11fbce220f 100644
--- a/includes/discovery/temperatures/dell.inc.php
+++ b/includes/discovery/temperatures/dell.inc.php
@@ -1,6 +1,6 @@
 <?php
 
-if (strstr($device['hardware'], "dell"))
+if (strstr($device['hardware'], "Dell"))
 {
   $oids = snmp_walk($device, "coolingDeviceDiscreteReading", "-Osqn", "MIB-Dell-10892");
   $oids = trim($oids);