diff --git a/Source/Utility/Async/NAsyncWorkThread.cpp b/Source/Utility/Async/NAsyncWorkThread.cpp
index 1d5c0f20..65679cf5 100644
--- a/Source/Utility/Async/NAsyncWorkThread.cpp
+++ b/Source/Utility/Async/NAsyncWorkThread.cpp
@@ -17,14 +17,14 @@ NAsyncWorkThread::~NAsyncWorkThread() {
 
 // OFFSET: 0x00732C40
 // FUNCTION: fn_07584
-void NAsyncWorkThread::Receive(std::uint64_t argument, std::uint32_t id) {
-  this->m_messages.Push(argument, id);
+void NAsyncWorkThread::Receive(std::uint32_t argumentLow, std::uint32_t argumentHigh, std::uint32_t id) {
+  this->m_messages.Push(argumentLow, argumentHigh, id);
 }
 
 // OFFSET: 0x00732C20
 // FUNCTION: fn_07583
 void NAsyncWorkThread::RequestStop() {
-  this->m_messages.Push(0x50000, 0);
+  this->m_messages.Push(0x50000, 0, 0);
 }
 
 // OFFSET: 0x00732C50
diff --git a/Source/Utility/Async/NAsyncWorkThread.h b/Source/Utility/Async/NAsyncWorkThread.h
index d32be306..7fb70387 100644
--- a/Source/Utility/Async/NAsyncWorkThread.h
+++ b/Source/Utility/Async/NAsyncWorkThread.h
@@ -13,7 +13,7 @@ class NAsyncWorkThread : public NObject, public NInter, public NThread {
 public:
   NAsyncWorkThread(NAsyncWorkRequestQueue* requests, NAsyncWorkResponseQueue* responses);
   ~NAsyncWorkThread() override;
-  void Receive(std::uint64_t argument, std::uint32_t id) override;
+  void Receive(std::uint32_t argumentLow, std::uint32_t argumentHigh, std::uint32_t id) override;
   unsigned Run() override;
   void RequestStop() override;
   bool Start();
diff --git a/Source/Utility/Async/NMessageMgr.cpp b/Source/Utility/Async/NMessageMgr.cpp
index f7f04110..101c4f0c 100644
--- a/Source/Utility/Async/NMessageMgr.cpp
+++ b/Source/Utility/Async/NMessageMgr.cpp
@@ -55,14 +55,14 @@ bool NMessageMgr::Register(std::uint32_t objectId, NInter* object) {
 
 // OFFSET: 0x00735BC0
 // FUNCTION: fn_07613
-bool NMessageMgr::Send(std::uint32_t objectId, std::uint64_t argument, std::uint32_t id) {
+bool NMessageMgr::Send(std::uint32_t objectId, std::uint32_t argumentLow, std::uint32_t argumentHigh, std::uint32_t id) {
   NSyncObject held(&this->m_criticalSection);
   auto object = this->m_objects.find(objectId);
   if (object == this->m_objects.end()) {
     return false;
   }
 
-  object->second->Receive(argument, id);
+  object->second->Receive(argumentLow, argumentHigh, id);
   return true;
 }
 
diff --git a/Source/Utility/Async/NMessageMgr.h b/Source/Utility/Async/NMessageMgr.h
index 8a86a48a..9874b1fc 100644
--- a/Source/Utility/Async/NMessageMgr.h
+++ b/Source/Utility/Async/NMessageMgr.h
@@ -7,7 +7,7 @@
 
 class NInter {
 public:
-  virtual void Receive(std::uint64_t argument, std::uint32_t id) = 0;
+  virtual void Receive(std::uint32_t argumentLow, std::uint32_t argumentHigh, std::uint32_t id) = 0;
   virtual ~NInter();
 };
 
@@ -19,7 +19,7 @@ public:
   static bool Initialize();
   static void Shutdown();
   bool Register(std::uint32_t objectId, NInter* object);
-  bool Send(std::uint32_t objectId, std::uint64_t argument, std::uint32_t id);
+  bool Send(std::uint32_t objectId, std::uint32_t argumentLow, std::uint32_t argumentHigh, std::uint32_t id);
   void Unregister(std::uint32_t objectId, NInter* object);
 
 protected:
diff --git a/Source/Utility/Async/NMessageQueue.cpp b/Source/Utility/Async/NMessageQueue.cpp
index 496523e3..a2343a3e 100644
--- a/Source/Utility/Async/NMessageQueue.cpp
+++ b/Source/Utility/Async/NMessageQueue.cpp
@@ -38,9 +38,9 @@ NMessage NMessageQueue::Pop() {
 
 // OFFSET: 0x00736660
 // FUNCTION: fn_07624
-void NMessageQueue::Push(std::uint64_t argument, std::uint32_t id) {
+void NMessageQueue::Push(std::uint32_t argumentLow, std::uint32_t argumentHigh, std::uint32_t id) {
   NSyncObject held(&this->m_criticalSection);
-  this->m_messages.push_back({static_cast<std::uint32_t>(argument), static_cast<std::uint32_t>(argument >> 32), id});
+  this->m_messages.push_back({argumentLow, argumentHigh, id});
   ReleaseSemaphore(this->m_semaphore, 1, nullptr);
 }
 
diff --git a/Source/Utility/Async/NMessageQueue.h b/Source/Utility/Async/NMessageQueue.h
index 9575a64f..6c3b107f 100644
--- a/Source/Utility/Async/NMessageQueue.h
+++ b/Source/Utility/Async/NMessageQueue.h
@@ -28,7 +28,7 @@ public:
   virtual ~NMessageQueue();
 
   NMessage Pop();
-  void Push(std::uint64_t argument, std::uint32_t id);
+  void Push(std::uint32_t argumentLow, std::uint32_t argumentHigh, std::uint32_t id);
   void Clear();
 
 protected: