diff --git a/checks/check_snmp_synology.py b/checks/check_snmp_synology.py
index 9ad30ce..8210a4c 100755
--- a/checks/check_snmp_synology.py
+++ b/checks/check_snmp_synology.py
@@ -8,7 +8,7 @@
     - https://easysnmp.readthedocs.io/en/latest/session_api.html
 """
 
-__version__     = '0.13.1'
+__version__     = '0.14.0'
 __author__      = 'anima'
 
 # imports
@@ -491,6 +491,7 @@ class SNMPSynologyDiskHealthResource(nagiosplugin.Resource, SNMPSynologyDisk):
             Generator[nagisplugin.Metric]: multiple metric elements (yield)
         """
         disks = self.get_disks()
+        yield nagiosplugin.Metric(name='disk_count', value=len(disks), context='disk_scalar_context')
         for disk in disks:
             yield nagiosplugin.Metric(name=disk['id'], value=disk, context='disk_status_context')
             yield nagiosplugin.Metric(name=disk['id'], value=disk, context='disk_health_context')
@@ -805,6 +806,7 @@ def main():
                 SNMPSynologyDiskHealthResource(session=session),
                 SNMPSynologyDiskHealthContext(name='disk_health_context'),
                 SNMPSynologyDiskStatusContext(name='disk_status_context'),
+                nagiosplugin.ScalarContext(name='disk_scalar_context', warning=args.warning, critical=args.critical),
                 SNMPSynologySummary())
             check.name = "Disk Health"
         case 'disk_retry':