diff --git a/C#/AutoHotInterception/DeviceHandlers/KeyboardHandler.cs b/C#/AutoHotInterception/DeviceHandlers/KeyboardHandler.cs
index 3051c6a..6a52498 100644
--- a/C#/AutoHotInterception/DeviceHandlers/KeyboardHandler.cs
+++ b/C#/AutoHotInterception/DeviceHandlers/KeyboardHandler.cs
@@ -76,7 +76,7 @@ namespace AutoHotInterception.DeviceHandlers
         {
             if (KeyboardMapping == null) return;
             // Stop DeviceWorkerThread
-            if (KeyboardMapping.Concurrent)
+            if (!KeyboardMapping.Concurrent)
             {
                 if (DeviceWorkerThread != null)
                 {