diff --git a/network/alcatel/pss/1830/snmp/mode/sapqosstats.pm b/network/alcatel/pss/1830/snmp/mode/sapqosstats.pm
index 67b4c360d..963f497bd 100644
--- a/network/alcatel/pss/1830/snmp/mode/sapqosstats.pm
+++ b/network/alcatel/pss/1830/snmp/mode/sapqosstats.pm
@@ -272,7 +272,7 @@ sub manage_selection {
         
         foreach my $name (('tnSapBaseStatsIngressQchipForwardedInProfOctets', 'tnSapBaseStatsIngressQchipForwardedOutProfOctets',
                            'tnSapBaseStatsEgressQchipForwardedInProfOctets', 'tnSapBaseStatsEgressQchipForwardedOutProfOctets')) {
-            $result->{$name} *= 8;
+            $result->{$name} *= 8 if (defined($result->{$name}));
         }
         
         foreach my $name (keys %$mapping) {