diff --git a/includes/discovery/temperatures/ibmnos.inc.php b/includes/discovery/temperatures/ibmnos.inc.php
index 26e500f105..f339dff452 100644
--- a/includes/discovery/temperatures/ibmnos.inc.php
+++ b/includes/discovery/temperatures/ibmnos.inc.php
@@ -1,7 +1,7 @@
 <?php
   if (strstr($device['sysDescr'], "IBM Flex System Fabric")) {
       $check_oids = snmp_get($device, ".1.3.6.1.4.1.20301.2.5.1.3.1.22.0", "-OsqnU", "");
-      if ($check_oids) {
+      if ($check_oids !== FALSE) {
       	  $index = 0;
           echo("IBM Flex System Fabric ");
           $temps = array();