diff --git a/kernel/thread/thread.cc b/kernel/thread/thread.cc
index f3f25f1..2ae3b13 100644
--- a/kernel/thread/thread.cc
+++ b/kernel/thread/thread.cc
@@ -37,7 +37,7 @@ void Thread::kickoffUsermode (Thread *object){
 
 Thread::Thread 	(bool kernel, void * start): queue_link(nullptr), isKernel(kernel), start(start), id(idCounter++), kill_flag(false){
 	StackPointer.isr = reinterpret_cast<void *>(reserved_stack_space_isr + STACK_SIZE);
-	StackPointer.user = reinterpret_cast<void *>(reserved_stack_space_user + STACK_SIZE);
+	StackPointer.user = reinterpret_cast<void *>(PageFrameAllocator::alloc(false) + STACK_SIZE);
 	prepareContext(StackPointer.isr, context, kickoff, reinterpret_cast<uintptr_t>(this), 0, 0);
 }
 
@@ -52,14 +52,13 @@ void Thread::resume(Thread *next) {
 	context_switch(&next->context, &context);
 }
 
-void* operator new(std::size_t sz)
+void* operator new(size_t sz)
 {
     if (sz == 0)
         ++sz; // avoid std::malloc(0) which may return nullptr on success
  
-    if (void *ptr = PagreFrameAllocator::alloc(true)) 
-        return ptr;
- 
+    void *ptr = PageFrameAllocator::alloc(true); 
+	return ptr;
 }
  
 
diff --git a/kernel/thread/thread.h b/kernel/thread/thread.h
index ae5bcae..26199d1 100644
--- a/kernel/thread/thread.h
+++ b/kernel/thread/thread.h
@@ -18,7 +18,7 @@
 #include "../types.h"
 
 /// Stack size for each thread
-constexpr uint32_t STACK_SIZE = 4096;
+constexpr uint32_t STACK_SIZE = 3096;
 
 /*! \brief The Thread is an object used by the scheduler.
  *  \ingroup thread
@@ -35,7 +35,7 @@ class Thread {
 	friend class Semaphore;
 	/*! \brief Memory reserved for this threads stack
 	 */
-	alignas(16) char reserved_stack_space_user[STACK_SIZE];
+     // alignas(16) char reserved_stack_space_user[STACK_SIZE];
 	alignas(16) char reserved_stack_space_isr[STACK_SIZE];
 
    protected:
@@ -118,5 +118,5 @@ class Thread {
 								//
 
 
-	void* operator new  ( std::size_t count );
+	void* operator new  ( size_t count );
 };