diff --git a/Source/IO/FS/FileStream.NT.cpp b/Source/IO/FS/FileStream.NT.cpp
index ce9f904d..4440775a 100644
--- a/Source/IO/FS/FileStream.NT.cpp
+++ b/Source/IO/FS/FileStream.NT.cpp
@@ -236,7 +236,14 @@ namespace Aurora::IO::FS
     
     bool WinFileStream::Write(const Memory::MemoryViewStreamRead &parameters)
     {
-        auto hHandle = this->GetWin32Handle();
+        auto optHandle = this->GetHandle()->GetOSWriteHandleSafe();
+        if (!optHandle)
+        {
+            SysPushErrorIOResourceRejected();
+            return false;
+        }
+
+        auto hHandle = (HANDLE)optHandle.value();
         HANDLE hEventHandle { INVALID_HANDLE_VALUE };
 
         if (hHandle == INVALID_HANDLE_VALUE)