diff --git a/includes/polling/os/netguardian.inc.php b/includes/polling/os/netguardian.inc.php
index b5680a09a7..b5d1a6ec95 100644
--- a/includes/polling/os/netguardian.inc.php
+++ b/includes/polling/os/netguardian.inc.php
@@ -24,6 +24,6 @@
  */
 
 $netguardian_tmp = snmp_get_multi_oid($device, 'dpsRTUModel.0 dpsRTUFirmwareVersion.0', '-OQs', 'DPS-MIB-V38');
-$version         = $data['dpsRTUFirmwareVersion.0'];
-$hardware        = $data['dpsRTUModel.0'];
+$version         = $netguardian_tmp['dpsRTUFirmwareVersion.0'];
+$hardware        = $netguardian_tmp['dpsRTUModel.0'];
 unset($netguardian_tmp);