diff --git a/Sharp7/S7Client.cs b/Sharp7/S7Client.cs
index 9215011..45a26ae 100644
--- a/Sharp7/S7Client.cs
+++ b/Sharp7/S7Client.cs
@@ -724,10 +724,7 @@ namespace Sharp7
 
 		public int Disconnect()
 		{
-			if (Socket != null && Socket.Connected)
-			{
-				Socket.Close();
-			}
+			Socket?.Close();
 			return 0;
 		}