diff --git a/centreon-plugins/network/checkpoint/snmp/mode/hardware.pm b/centreon-plugins/network/checkpoint/snmp/mode/hardware.pm
index 6887bc5e7..f411012f4 100644
--- a/centreon-plugins/network/checkpoint/snmp/mode/hardware.pm
+++ b/centreon-plugins/network/checkpoint/snmp/mode/hardware.pm
@@ -51,6 +51,7 @@ sub set_system {
         psu => [
             ['up', 'OK'],
             ['down', 'CRITICAL'],
+            ['dummy', 'OK'], 
             ['.*', 'UNKNOWN'],
         ],        
         raiddisk => [