diff --git a/sdk/xtdk/amd64/ketypes.h b/sdk/xtdk/amd64/ketypes.h
index 6a97ccc..af48477 100644
--- a/sdk/xtdk/amd64/ketypes.h
+++ b/sdk/xtdk/amd64/ketypes.h
@@ -184,7 +184,7 @@
 #define KTRAP_FRAME_SIZE                  sizeof(KTRAP_FRAME)
 
 /* Initial stack reservation size */
-#define KTHREAD_STACK_INITIAL_RESERVE     ((sizeof(KTHREAD_INIT_FRAME) + STACK_ALIGNMENT - 1) & ~(STACK_ALIGNMENT - 1))
+#define KTHREAD_STACK_OFFSET              ((sizeof(KTHREAD_INIT_FRAME) + STACK_ALIGNMENT - 1) & ~(STACK_ALIGNMENT - 1))
 
 /* Return address size pushed by 'call' instruction */
 #define KRETURN_ADDRESS_SIZE              0x8
diff --git a/sdk/xtdk/i686/ketypes.h b/sdk/xtdk/i686/ketypes.h
index 92b1e2c..39b0ee4 100644
--- a/sdk/xtdk/i686/ketypes.h
+++ b/sdk/xtdk/i686/ketypes.h
@@ -202,7 +202,7 @@
 #define NPX_FRAME_SIZE                    0x210
 
 /* Initial stack reservation size */
-#define KTHREAD_STACK_INITIAL_RESERVE     ((sizeof(KTHREAD_INIT_FRAME) + STACK_ALIGNMENT - 1) & ~(STACK_ALIGNMENT - 1))
+#define KTHREAD_STACK_OFFSET              ((sizeof(KTHREAD_INIT_FRAME) + STACK_ALIGNMENT - 1) & ~(STACK_ALIGNMENT - 1))
 
 /* Number of supported extensions */
 #define MAXIMUM_SUPPORTED_EXTENSION       512
diff --git a/xtoskrnl/hl/x86/cpu.cc b/xtoskrnl/hl/x86/cpu.cc
index 3b37480..10b41f9 100644
--- a/xtoskrnl/hl/x86/cpu.cc
+++ b/xtoskrnl/hl/x86/cpu.cc
@@ -174,7 +174,7 @@ HL::Cpu::StartAllProcessors(VOID)
         StartBlock->Cr3 = AR::CpuFunctions::ReadControlRegister(3);
         StartBlock->Cr4 = AR::CpuFunctions::ReadControlRegister(4);
         StartBlock->EntryPoint = (PVOID)&KE::KernelInit::BootstrapApplicationProcessor;
-        StartBlock->InitialStack = (PVOID)((ULONG_PTR)StartBlock->Stack - KTHREAD_STACK_INITIAL_RESERVE);
+        StartBlock->InitialStack = (PVOID)((ULONG_PTR)StartBlock->Stack - KTHREAD_STACK_OFFSET);
         StartBlock->ProcessorStructures = CpuStructures;
         StartBlock->Started = FALSE;
 
diff --git a/xtoskrnl/ke/amd64/krnlinit.cc b/xtoskrnl/ke/amd64/krnlinit.cc
index 4e5ee1d..2a23e87 100644
--- a/xtoskrnl/ke/amd64/krnlinit.cc
+++ b/xtoskrnl/ke/amd64/krnlinit.cc
@@ -213,6 +213,6 @@ KE::KernelInit::SwitchBootStack(VOID)
                      :
                      : [Stack] "r" (Stack),
                        [TargetRoutine] "r" (StartKernel),
-                       [TotalSize] "i" (KTHREAD_STACK_INITIAL_RESERVE)
+                       [TotalSize] "i" (KTHREAD_STACK_OFFSET)
                      : "memory", "rbp", "rsp");
 }
diff --git a/xtoskrnl/ke/i686/krnlinit.cc b/xtoskrnl/ke/i686/krnlinit.cc
index 3fb3710..7dd579b 100644
--- a/xtoskrnl/ke/i686/krnlinit.cc
+++ b/xtoskrnl/ke/i686/krnlinit.cc
@@ -215,6 +215,6 @@ KE::KernelInit::SwitchBootStack(VOID)
                      : [Cr0Value] "i" (CR0_EM | CR0_MP | CR0_TS),
                        [Stack] "r" (Stack),
                        [TargetRoutine] "r" (StartKernel),
-                       [TotalSize] "i" (KTHREAD_STACK_INITIAL_RESERVE)
+                       [TotalSize] "i" (KTHREAD_STACK_OFFSET)
                      : "ebp", "esp", "memory");
 }