diff --git a/AaxDecrypter/AaxcDownloadConverter.cs b/AaxDecrypter/AaxcDownloadConverter.cs
index cb37d542..663728fd 100644
--- a/AaxDecrypter/AaxcDownloadConverter.cs
+++ b/AaxDecrypter/AaxcDownloadConverter.cs
@@ -273,7 +273,7 @@ namespace AaxDecrypter
 
         public void Cancel()
         {
-            aaxcProcesser.Cancel();
+            aaxcProcesser?.Cancel();
         }
     }
 }