diff --git a/storage/synology/snmp/plugin.pm b/storage/synology/snmp/plugin.pm
index cc17303cd..ad28b3f16 100644
--- a/storage/synology/snmp/plugin.pm
+++ b/storage/synology/snmp/plugin.pm
@@ -38,6 +38,7 @@ sub new {
         'memory'      => 'snmp_standard::mode::memory',
         'load'        => 'snmp_standard::mode::loadaverage',
         'storage'     => 'snmp_standard::mode::storage',
+        'swap'        => 'snmp_standard::mode::swap',
         'temperature' => 'storage::synology::snmp::mode::temperature',
         'time'        => 'snmp_standard::mode::ntp',
         'ups'         => 'storage::synology::snmp::mode::ups'