diff --git a/cmonitor/server/client/reports/volume/VolumeReport.cs b/cmonitor/server/client/reports/volume/VolumeReport.cs
index bbc5123f..07bf7328 100644
--- a/cmonitor/server/client/reports/volume/VolumeReport.cs
+++ b/cmonitor/server/client/reports/volume/VolumeReport.cs
@@ -113,9 +113,12 @@ namespace cmonitor.server.client.reports.volume
         AudioMeterInformation information;
         private void Init()
         {
-            deviceEnumerator = new MMDeviceEnumerator();
-            defaultDevice = deviceEnumerator.GetDefaultAudioEndpoint(DataFlow.Render, Role.Multimedia);
-            information = defaultDevice.AudioMeterInformation;
+            if (OperatingSystem.IsWindows())
+            {
+                deviceEnumerator = new MMDeviceEnumerator();
+                defaultDevice = deviceEnumerator.GetDefaultAudioEndpoint(DataFlow.Render, Role.Multimedia);
+                information = defaultDevice.AudioMeterInformation;
+            }
         }
 
         /*