diff --git a/Mystify/MainModel.cs b/Mystify/MainModel.cs
index 2f5ef15..961fbd1 100644
--- a/Mystify/MainModel.cs
+++ b/Mystify/MainModel.cs
@@ -50,6 +50,8 @@ namespace Mystify
 
         public void LoadDriverAndDevice(string driverPath)
         {
+            _device?.StopCommunication();
+
             IDriver? driver = _driverLoader.Load(driverPath);
 
             if (driver == null)