diff --git a/Include/Aurora/IO/IOHandle.hpp b/Include/Aurora/IO/IOHandle.hpp
index 8cb189c1..9655ef4e 100644
--- a/Include/Aurora/IO/IOHandle.hpp
+++ b/Include/Aurora/IO/IOHandle.hpp
@@ -159,7 +159,7 @@ namespace Aurora::IO
         virtual AuUInt64 GetFileLength() = 0;
     };
     
-    AUKN_SHARED_SOO_CC(IOHandle, IIOHandle, 256);
+    AUKN_SHARED_SOO_CC(IOHandle, IIOHandle, 192);
 
     AUKN_SYM bool IsHandleTTY(AuUInt uHandle);
 
diff --git a/Source/IO/AuIOHandle.cpp b/Source/IO/AuIOHandle.cpp
index 062e7aa1..5a427860 100644
--- a/Source/IO/AuIOHandle.cpp
+++ b/Source/IO/AuIOHandle.cpp
@@ -19,6 +19,11 @@
 
 namespace Aurora::IO
 {
+    AFileHandle::AFileHandle()
+    {
+        this->uThreadId = AuUInt(AuThreads::GetThreadId());
+    }
+
     AFileHandle::~AFileHandle()
     {
         if (this->SharingIsShared())
@@ -411,6 +416,11 @@ namespace Aurora::IO
         return 0;
     }
 
+    bool AFileHandle::ShouldClone()
+    {
+        return this->uThreadId != AuUInt(AuThreads::GetThreadId());
+    }
+
     AUKN_SYM IIOHandle *IOHandleNew()
     {
         return _new AFileHandle();
diff --git a/Source/IO/AuIOHandle.hpp b/Source/IO/AuIOHandle.hpp
index 13369bbd..3b2f8bc0 100644
--- a/Source/IO/AuIOHandle.hpp
+++ b/Source/IO/AuIOHandle.hpp
@@ -16,6 +16,8 @@ namespace Aurora::IO
 {
     struct AFileHandle : IIOHandle
     {
+        AFileHandle();
+
         ~AFileHandle();
 
         bool InitFromHandle(AuSPtr<IIOHandle> pHandle) override;
@@ -79,6 +81,8 @@ namespace Aurora::IO
         
         AuUInt64 GetFileLength() override;
 
+        bool ShouldClone();
+
         AuOptionalEx<AuUInt64> uOSWriteHandle;
         AuOptionalEx<AuUInt64> uOSReadHandle;
         AuSPtr<IIOHandle> pThat;
@@ -90,6 +94,7 @@ namespace Aurora::IO
         mutable AuOptional<bool> optIsPipe;
         mutable AuOptional<bool> optIsTTY;
         mutable AuSPtr<AuString> pIPCString;
+        AuUInt uThreadId {};
 
     protected:
     // Implement me:
diff --git a/Source/IO/FS/FileStream.NT.cpp b/Source/IO/FS/FileStream.NT.cpp
index 3347f1bb..cdcac66e 100644
--- a/Source/IO/FS/FileStream.NT.cpp
+++ b/Source/IO/FS/FileStream.NT.cpp
@@ -9,6 +9,7 @@
 #include "FS.hpp"
 #include "FileStream.NT.hpp"
 #include "FileAdvisory.NT.hpp"
+#include <Source/IO/AuIOHandle.hpp>
 
 #if !defined(_AURUNTIME_GENERICFILESTREAM)
 
@@ -515,9 +516,20 @@ namespace Aurora::IO::FS
 
     AUKN_SYM AuSPtr<IFileStream> OpenBlockingFileStreamFromHandle(AuSPtr<IIOHandle> pIOHandle)
     {
+        SysCheckArgNotNull(pIOHandle, {});
+
         auto pStream = AuMakeShared<WinFileStream>();
         SysCheckNotNullMemory(pStream, {});
 
+        if (!AuStaticCast<AFileHandle>(pIOHandle)->pIPCPipe &&
+             AuStaticCast<AFileHandle>(pIOHandle)->ShouldClone())
+        {
+            auto pOld = pIOHandle;
+            pIOHandle = AuMakeShared<AFileHandle>();
+            SysCheckNotNullMemory(pIOHandle, {});
+            pIOHandle->InitFromPair(pOld->GetOSReadHandleSafe(), pOld->GetOSWriteHandle());
+        }
+
         pStream->Init(pIOHandle);
         return pStream;
     }
diff --git a/Source/IO/FS/FileStream.Unix.cpp b/Source/IO/FS/FileStream.Unix.cpp
index 19810133..b787132c 100755
--- a/Source/IO/FS/FileStream.Unix.cpp
+++ b/Source/IO/FS/FileStream.Unix.cpp
@@ -16,6 +16,7 @@
 #include <unistd.h>
 #include <fcntl.h>
 #include <sys/ioctl.h>
+#include <Source/IO/AuIOHandle.hpp>
 
 #if !defined(_AURUNTIME_GENERICFILESTREAM)
 
@@ -385,11 +386,18 @@ namespace Aurora::IO::FS
 
     AUKN_SYM AuSPtr<IFileStream> OpenBlockingFileStreamFromHandle(AuSPtr<IIOHandle> pIOHandle)
     {
+        SysCheckArgNotNull(pIOHandle, {});
+
         auto pStream = AuMakeShared<PosixFileStream>();
-        if (!pStream)
+        SysCheckNotNullMemory(pStream, {});
+
+        if (!AuStaticCast<AFileHandle>(pIOHandle)->pIPCPipe &&
+             AuStaticCast<AFileHandle>(pIOHandle)->ShouldClone())
         {
-            SysPushErrorMemory();
-            return nullptr;
+            auto pOld = pIOHandle;
+            pIOHandle = AuMakeShared<AFileHandle>();
+            SysCheckNotNullMemory(pIOHandle, {});
+            pIOHandle->InitFromPair(pOld->GetOSReadHandleSafe(), pOld->GetOSWriteHandle());
         }
 
         pStream->Init(pIOHandle);