diff --git a/FFMpegCore/FFMpeg/FFMpegArgumentProcessor.cs b/FFMpegCore/FFMpeg/FFMpegArgumentProcessor.cs
index 8191223..b1bd3da 100644
--- a/FFMpegCore/FFMpeg/FFMpegArgumentProcessor.cs
+++ b/FFMpegCore/FFMpeg/FFMpegArgumentProcessor.cs
@@ -85,6 +85,7 @@ public class FFMpegArgumentProcessor
 
     public FFMpegArgumentProcessor CancellableThrough(CancellationToken token, int timeout = 0)
     {
+        token.ThrowIfCancellationRequested();
         _cancellationTokenRegistration?.Dispose();
         _cancellationTokenRegistration = token.Register(() => Cancel(timeout));
         return this;