diff --git a/network/redback/snmp/mode/components/voltage.pm b/network/redback/snmp/mode/components/voltage.pm
index de0553f29..5df05d6ec 100644
--- a/network/redback/snmp/mode/components/voltage.pm
+++ b/network/redback/snmp/mode/components/voltage.pm
@@ -75,7 +75,7 @@ sub check {
             $self->{output}->output_add(severity => $exit,
                                         short_msg => sprintf("Voltage '%s' is %s mV", $result->{rbnVoltageDescr}, $result->{rbnVoltageCurrent}));
         }
-        $self->{output}->perfdata_add(label => "temp_" . $instance, unit => 'mV',
+        $self->{output}->perfdata_add(label => "volt_" . $instance, unit => 'mV',
                                       value => $result->{rbnVoltageCurrent},
                                       warning => $warn,
                                       critical => $crit);