1 files changed, 2 insertions, 2 deletions
diff --git a/RSSDP/DeviceUnavailableEventArgs.cs b/RSSDP/DeviceUnavailableEventArgs.cs
index 1190cfc81..ecba7c013 100644
--- a/RSSDP/DeviceUnavailableEventArgs.cs
+++ b/RSSDP/DeviceUnavailableEventArgs.cs
@@ -1,4 +1,4 @@
-using System;
+using System;
 using System.Collections.Generic;
 using System.Text;
 using System.Threading.Tasks;
@@ -28,7 +28,7 @@ namespace Rssdp
         /// <exception cref="System.ArgumentNullException">Thrown if the <paramref name="discoveredDevice"/> parameter is null.</exception>
         public DeviceUnavailableEventArgs(DiscoveredSsdpDevice discoveredDevice, bool expired)
         {
-            if (discoveredDevice == null) throw new ArgumentNullException("discoveredDevice");
+            if (discoveredDevice == null) throw new ArgumentNullException(nameof(discoveredDevice));
 
             _DiscoveredDevice = discoveredDevice;
             _Expired = expired;