diff --git a/network/extreme/snmp/mode/stack.pm b/network/extreme/snmp/mode/stack.pm
index 37e5f5c29..75e9d9628 100644
--- a/network/extreme/snmp/mode/stack.pm
+++ b/network/extreme/snmp/mode/stack.pm
@@ -41,6 +41,7 @@ use strict;
 use warnings;
 
 my %mapping_truth = (
+    0 => 'disabled',
     1 => 'enable',
     2 => 'disable',
 );