diff --git a/includes/polling/os/netonix.inc.php b/includes/polling/os/netonix.inc.php
index 50c1782a8b..3b58eb81c8 100644
--- a/includes/polling/os/netonix.inc.php
+++ b/includes/polling/os/netonix.inc.php
@@ -1,3 +1,3 @@
 <?php
-$version = snmp_get($device, 'firmwareVersion.0', '-OQv', 'NETONIX-SWITCH-MIB', $config['mib_dir'].':'.$config['mib_dir'].'/netonix');
+$version = snmp_get($device, 'firmwareVersion.0', '-OQv', 'NETONIX-SWITCH-MIB', $config['mibdir'].':'.$config['mibdir'].'/netonix');
 $hardware = $poll_device['sysDescr'];