diff --git a/src/SharpCompress/Archives/ArchiveFactory.cs b/src/SharpCompress/Archives/ArchiveFactory.cs
index 870092f1..b2d1d362 100644
--- a/src/SharpCompress/Archives/ArchiveFactory.cs
+++ b/src/SharpCompress/Archives/ArchiveFactory.cs
@@ -20,8 +20,9 @@ public static class ArchiveFactory
     public static IArchive Open(Stream stream, ReaderOptions? readerOptions = null)
     {
         readerOptions ??= new ReaderOptions();
+        var factory = FindFactory<IArchiveFactory>(stream);
         stream = new SharpCompressStream(stream, bufferSize: readerOptions.BufferSize);
-        return FindFactory<IArchiveFactory>(stream).Open(stream, readerOptions);
+        return factory.Open(stream, readerOptions);
     }
 
     public static IWritableArchive Create(ArchiveType type)