diff --git a/centreon-plugins/storage/qnap/snmp/mode/hardware.pm b/centreon-plugins/storage/qnap/snmp/mode/hardware.pm
index 2e68bbf4f..bc1860b18 100644
--- a/centreon-plugins/storage/qnap/snmp/mode/hardware.pm
+++ b/centreon-plugins/storage/qnap/snmp/mode/hardware.pm
@@ -35,6 +35,7 @@ my $thresholds = {
     ],
     smartdisk => [
         ['GOOD', 'OK'],
+        ['NORMAL', 'WARNING'],
         ['--', 'OK'],
         ['.*', 'CRITICAL'],
     ],