diff --git a/src/SharpCompress/Common/SevenZip/SevenZipFilePart.cs b/src/SharpCompress/Common/SevenZip/SevenZipFilePart.cs
index 23a12d56..7e6ad5b0 100644
--- a/src/SharpCompress/Common/SevenZip/SevenZipFilePart.cs
+++ b/src/SharpCompress/Common/SevenZip/SevenZipFilePart.cs
@@ -40,7 +40,7 @@ internal class SevenZipFilePart : FilePart
     {
         if (!Header.HasStream)
         {
-            throw new InvalidFormatException("File does not have a stream.");
+            return Stream.Null;
         }
         var folderStream = _database.GetFolderStream(_stream, Folder!, _database.PasswordProvider);