diff --git a/includes/discovery/voltages/drac.inc.php b/includes/discovery/voltages/drac.inc.php
index b23453eff..e94ce8f02 100644
--- a/includes/discovery/voltages/drac.inc.php
+++ b/includes/discovery/voltages/drac.inc.php
@@ -20,10 +20,10 @@ if ($device['os'] == "drac") {
             $limit_oid     = "powerSupplyMaximumInputVoltage.1.$index";
             $descr         = trim(snmp_get($device, $descr_oid, "-Oqv", "IDRAC-MIB-SMIv2"),'"');
             $descr         = preg_replace("/(Status)/","", $descr);
-            $current       = snmp_get($device, $fan_oid, "-Oqv", "IDRAC-MIB-SMIv2");
-            $low_limit     = snmp_get($device, $limit_oid, "-Oqv", "IDRAC-MIB-SMIv2");
+            $current       = snmp_get($device, $voltage_oid, "-Oqv", "IDRAC-MIB-SMIv2");
+            $high_limit     = snmp_get($device, $limit_oid, "-Oqv", "IDRAC-MIB-SMIv2");
             $divisor       = "1";
-            discover_sensor($valid['sensor'], 'voltage', $device, $voltage_oid, $index, 'drac', $descr, $divisor, '1', $low_limit, NULL, NULL, NULL, $current);
+            discover_sensor($valid['sensor'], 'voltage', $device, $voltage_oid, $index, 'drac', $descr, $divisor, '1', 0, NULL, NULL, $high_limit, $current);
         }
     }
 }