diff --git a/app/Input/KeyboardListener.cs b/app/Input/KeyboardListener.cs
index 99169107..534e09a4 100644
--- a/app/Input/KeyboardListener.cs
+++ b/app/Input/KeyboardListener.cs
@@ -56,6 +56,7 @@ namespace GHelper.Input
                     input.ReadTimeout = int.MaxValue;
 
                     var data = input.Read();
+                    if (cancellationTokenSource.Token.IsCancellationRequested) break;
                     if (data.Length > 1 && data[0] == AsusHid.INPUT_ID && data[1] > 0 && data[1] != 236)
                     {
                         Logger.WriteLine($"Key: {data[1]}");