diff --git a/RedBookPlayer.Models/Audio/SoundOutput.cs b/RedBookPlayer.Models/Audio/SoundOutput.cs
index 14b2b85..3decacc 100644
--- a/RedBookPlayer.Models/Audio/SoundOutput.cs
+++ b/RedBookPlayer.Models/Audio/SoundOutput.cs
@@ -155,7 +155,7 @@ namespace RedBookPlayer.Models.Audio
         public void SetVolume(int volume)
         {
             Volume = volume;
-            _soundOut.SetVolume((float)Volume / 100);
+            _soundOut?.SetVolume((float)Volume / 100);
         }
 
         /// <summary>