From 88505651f6a4dc2aed6acc0deb385ff5730a62b8 Mon Sep 17 00:00:00 2001
From: Max Heimbrock <43608204+MaxHeimbrock@users.noreply.github.com>
Date: Wed, 15 Jul 2026 11:59:02 +0200
Subject: [PATCH] Fix set null to empty in proto

---
 Runtime/Scripts/DataStreams/ByteDataStream.cs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/Runtime/Scripts/DataStreams/ByteDataStream.cs b/Runtime/Scripts/DataStreams/ByteDataStream.cs
index e5185e6f..3823a976 100644
--- a/Runtime/Scripts/DataStreams/ByteDataStream.cs
+++ b/Runtime/Scripts/DataStreams/ByteDataStream.cs
@@ -112,8 +112,8 @@ public WriteToFileInstruction WriteToFile(string directory = null, string nameOv
             using var request = FFIBridge.Instance.NewRequest<ByteStreamReaderWriteToFileRequest>();
             var writeToFileReq = request.request;
             writeToFileReq.ReaderHandle = (ulong)_handle.DangerousGetHandle();
-            writeToFileReq.Directory = directory;
-            writeToFileReq.NameOverride = nameOverride;
+            if (directory != null) writeToFileReq.Directory = directory;
+            if (nameOverride != null) writeToFileReq.NameOverride = nameOverride;
 
             var instruction = new WriteToFileInstruction(request.RequestAsyncId);
             using var response = request.Send();