diff --git a/Include/Aurora/IO/EStandardStream.hpp b/Include/Aurora/IO/EStandardStream.hpp
index 690ad26a..250716ee 100644
--- a/Include/Aurora/IO/EStandardStream.hpp
+++ b/Include/Aurora/IO/EStandardStream.hpp
@@ -10,8 +10,13 @@
 namespace Aurora::IO
 {
     AUE_DEFINE_VA(EStandardStream,
+        // Process Input Stream
         eInputStream,
+
+        // Process Output Stream
         eOutputStream,
+
+        // Process Error Stream
         eErrorStream
     );
 }
\ No newline at end of file
diff --git a/Include/Aurora/Processes/EStandardHandle.hpp b/Include/Aurora/Processes/EStandardHandle.hpp
index 1104a0dd..12470519 100644
--- a/Include/Aurora/Processes/EStandardHandle.hpp
+++ b/Include/Aurora/Processes/EStandardHandle.hpp
@@ -7,17 +7,10 @@
 ***/
 #pragma once
 
+#include <Aurora/IO/EStandardStream.hpp>
+
 namespace Aurora::Processes
 {
-    AUE_DEFINE(EStandardHandle,
-    (
-        // Process Input Stream
-        eStdIn,
+    using EStandardHandle = Aurora::IO::EStandardStream;
 
-        // Process Output Stream
-        eStdOut,
-
-        // Process Error Stream
-        eStdError
-    ));
 }
\ No newline at end of file
diff --git a/Source/IO/AuIOHandle.Unix.cpp b/Source/IO/AuIOHandle.Unix.cpp
index 4466b209..4e999074 100644
--- a/Source/IO/AuIOHandle.Unix.cpp
+++ b/Source/IO/AuIOHandle.Unix.cpp
@@ -52,7 +52,6 @@ namespace Aurora::IO
         return Aurora::IO::DupHandle(uOSHandle, bWriteAccess, false);
     }
 
-
     AuUInt64 AFileHandle::DupHandle(AuUInt64 uOSHandle, bool bWriteAccess, bool bShareAccess)
     {
         return Aurora::IO::DupHandle(uOSHandle, bWriteAccess, bShareAccess);
diff --git a/Source/Processes/AuProcess.NT.cpp b/Source/Processes/AuProcess.NT.cpp
index 445847e6..30c3008f 100644
--- a/Source/Processes/AuProcess.NT.cpp
+++ b/Source/Processes/AuProcess.NT.cpp
@@ -171,13 +171,19 @@ namespace Aurora::Processes
     {
         DWORD size = destination.length;
         
-        if (!EStandardHandleIsValid(stream) || (stream == EStandardHandle::eStdIn))
+        if (!IO::EStandardStreamIsValid(stream) || (stream == EStandardHandle::eInputStream))
         {
             SysPushErrorArg("Invalid Stream");
-            return {};
+            return false;
         }
 
-        auto handle = stream == EStandardHandle::eStdError ? this->pipeStdErrRead_ : this->pipeStdOutRead_;
+        if (!destination)
+        {
+            SysPushErrorArg();
+            return false;
+        }
+
+        auto handle = stream == EStandardHandle::eErrorStream ? this->pipeStdErrRead_ : this->pipeStdOutRead_;
         if (handle == INVALID_HANDLE_VALUE)
         {
             return false;
diff --git a/Source/Processes/AuProcess.Unix.cpp b/Source/Processes/AuProcess.Unix.cpp
index e7742df7..1ff30dbc 100644
--- a/Source/Processes/AuProcess.Unix.cpp
+++ b/Source/Processes/AuProcess.Unix.cpp
@@ -197,7 +197,19 @@ namespace Aurora::Processes
 
     bool ProcessImpl::Read(EStandardHandle stream, const AuMemoryViewStreamWrite &destination, bool nonblock)
     {
-        auto handle = stream == EStandardHandle::eStdError ? this->pipeStdErr_[0] : this->pipeStdOut_[0];
+        if (!IO::EStandardStreamIsValid(stream) || (stream == EStandardHandle::eInputStream))
+        {
+            SysPushErrorArg("Invalid Stream");
+            return false;
+        }
+
+        if (!destination)
+        {
+            SysPushErrorArg();
+            return false;
+        }
+
+        auto handle = stream == EStandardHandle::eErrorStream ? this->pipeStdErr_[0] : this->pipeStdOut_[0];
         if (handle < 0)
         {
             SysPushErrorUninitialized();