diff --git a/network/acmepacket/snmp/mode/realmusage.pm b/network/acmepacket/snmp/mode/realmusage.pm
index 4090c96e7..bcde8652d 100644
--- a/network/acmepacket/snmp/mode/realmusage.pm
+++ b/network/acmepacket/snmp/mode/realmusage.pm
@@ -101,7 +101,7 @@ sub set_counters {
                 key_values => [ { name => 'apSigRealmStatsTotalMajorRFactorExceeded', diff => 1 }, { name => 'display' } ],
                 output_template => 'Total Rfactor Exceeded : %s',
                 perfdatas => [
-                    { label => 'total_rfactor', value => 'apSigRealmStatsTotalMajorRFactorExceededabsolute', template => '%s',
+                    { label => 'total_rfactor', value => 'apSigRealmStatsTotalMajorRFactorExceeded_absolute', template => '%s',
                       min => 0, label_extra_instance => 1, instance_use => 'display_absolute' },
                 ],
             }