diff --git a/include/TessesFramework/HiddenField.hpp b/include/TessesFramework/HiddenField.hpp
index 6c38837..9a7894b 100644
--- a/include/TessesFramework/HiddenField.hpp
+++ b/include/TessesFramework/HiddenField.hpp
@@ -20,7 +20,13 @@ class HiddenField {
         {
             return dynamic_cast<T>(ptr);
         }
-        
+        template<typename T>
+        T* AllocField()
+        {
+            auto v = new T();
+            SetField(v);
+            return v;
+        }
         ~HiddenField();
 };
 }
\ No newline at end of file
diff --git a/src/Threading/Mutex.cpp b/src/Threading/Mutex.cpp
index b29c723..f1d296d 100644
--- a/src/Threading/Mutex.cpp
+++ b/src/Threading/Mutex.cpp
@@ -39,7 +39,7 @@ namespace Tesses::Framework::Threading
     Mutex::Mutex()
     {
         #if defined(TESSESFRAMEWORK_ENABLE_THREADING)
-        auto md=this->data.SetField(new MutexHiddenFieldData());
+        auto md=this->data.AllocField<MutexHiddenFieldData>();
         #if defined(_WIN32)
         md->mtx = CreateMutex(NULL,false,NULL);
         #elif defined(GEKKO)
diff --git a/src/Threading/Thread.cpp b/src/Threading/Thread.cpp
index 1b830bb..113abc7 100644
--- a/src/Threading/Thread.cpp
+++ b/src/Threading/Thread.cpp
@@ -50,7 +50,7 @@ namespace Tesses::Framework::Threading
     Thread::Thread(std::function<void()> fn)
     {
         #if defined(TESSESFRAMEWORK_ENABLE_THREADING)
-        auto data = this->data.SetField(new ThreadHiddenFieldData());
+        auto data = this->data.AllocField<ThreadHiddenFieldData>();
         data->hasInvoked=false;
         data->fn = fn;
         #if defined(_WIN32) 
@@ -67,7 +67,7 @@ namespace Tesses::Framework::Threading
     void Thread::Detach()
     {
         #if defined(TESSESFRAMEWORK_ENABLE_THREADING)
-        auto data = this->data.AllocField<ThreadHiddenFieldData*>();
+        auto data = this->data.GetField<ThreadHiddenFieldData*>();
         #if !defined(GEKKO)
             #if defined(_WIN32)
             CloseHandle(data->thrd);
@@ -81,7 +81,7 @@ namespace Tesses::Framework::Threading
     void Thread::Join()
     {
         #if defined(TESSESFRAMEWORK_ENABLE_THREADING)
-        auto data = this->data.AllocField<ThreadHiddenFieldData>();
+        auto data = this->data.GetField<ThreadHiddenFieldData*>();
         #if defined(_WIN32)
             WaitForSingleObject(data->thrd, INFINITE);
         #elif defined(GEKKO)