diff --git a/centreon-plugins/storage/dell/fluidfs/snmp/mode/hardware.pm b/centreon-plugins/storage/dell/fluidfs/snmp/mode/hardware.pm
index a12d0b443..b147c8b7e 100644
--- a/centreon-plugins/storage/dell/fluidfs/snmp/mode/hardware.pm
+++ b/centreon-plugins/storage/dell/fluidfs/snmp/mode/hardware.pm
@@ -34,7 +34,7 @@ sub set_system {
     
     $self->{thresholds} = {
         ad => [
-            ['Yes', 'OK'],
+            ['Yes|Optimal', 'OK'],
             ['.*', 'CRITICAL'],
         ],
         extservers => [
@@ -104,4 +104,4 @@ Example: --threshold-overload='overall,WARNING,^(?!(optimal))'
 
 =back
 
-=cut
\ No newline at end of file
+=cut