diff --git a/FFMpegCore/FFMpeg/Arguments/PipeArgument.cs b/FFMpegCore/FFMpeg/Arguments/PipeArgument.cs
index 16f9674..4a6113a 100644
--- a/FFMpegCore/FFMpeg/Arguments/PipeArgument.cs
+++ b/FFMpegCore/FFMpeg/Arguments/PipeArgument.cs
@@ -38,12 +38,12 @@ public async Task During(CancellationToken cancellationToken = default)
         {
             try
             {
-                await ProcessDataAsync(cancellationToken ?? CancellationToken.None).ConfigureAwait(false);
+                await ProcessDataAsync(cancellationToken);
             }
             catch (TaskCanceledException)
             {
             }
-            Post();
+            Pipe.Disconnect();
         }
 
         protected abstract Task ProcessDataAsync(CancellationToken token);
diff --git a/FFMpegCore/FFMpeg/FFMpegArgumentProcessor.cs b/FFMpegCore/FFMpeg/FFMpegArgumentProcessor.cs
index 0f39b71..2307787 100644
--- a/FFMpegCore/FFMpeg/FFMpegArgumentProcessor.cs
+++ b/FFMpegCore/FFMpeg/FFMpegArgumentProcessor.cs
@@ -63,9 +63,8 @@ void OnCancelEvent(object sender, EventArgs args)
                 Task.WaitAll(instance.FinishedRunning().ContinueWith(t =>
                 {
                     errorCode = t.Result;
-                    cancellationTokenSource.Cancel();
+                    _ffMpegArguments.Post();
                 }), _ffMpegArguments.During(cancellationTokenSource.Token));
-                _ffMpegArguments.Post();
             }
             catch (Exception e)
             {
@@ -108,7 +107,7 @@ void OnCancelEvent(object sender, EventArgs args)
                 await Task.WhenAll(instance.FinishedRunning().ContinueWith(t =>
                 {
                     errorCode = t.Result;
-                    cancellationTokenSource.Cancel();
+                    _ffMpegArguments.Post();
                 }), _ffMpegArguments.During(cancellationTokenSource.Token)).ConfigureAwait(false);
             }
             catch (Exception e)
@@ -118,7 +117,6 @@ await Task.WhenAll(instance.FinishedRunning().ContinueWith(t =>
             finally
             {
                 CancelEvent -= OnCancelEvent;
-                _ffMpegArguments.Post();
             }
 
             return HandleCompletion(throwOnError, errorCode, instance.ErrorData);