diff --git a/network/extreme/snmp/mode/stack.pm b/network/extreme/snmp/mode/stack.pm
index 5268f9d4c..617cdf79b 100644
--- a/network/extreme/snmp/mode/stack.pm
+++ b/network/extreme/snmp/mode/stack.pm
@@ -124,7 +124,7 @@ sub run {
                                                             ], nothing_quit => 1);
     
     my $result = $self->{snmp}->map_instance(mapping => $mapping, results => $results->{$mapping->{extremeStackDetection}->{oid}}, instance => '0');
-    if ($result->{extremeStackDetection} eq 'disable') {
+    if ($result->{extremeStackDetection} eq 'disabled') {
         $self->{output}->output_add(severity => 'OK',
                                     short_msg => 'Stacking is disable');
         $self->{output}->display();