diff --git a/headers/private/kernel/arch/x86/arch_kernel.h b/headers/private/kernel/arch/x86/arch_kernel.h
index 9736e0943a..f5d6c4dba4 100644
--- a/headers/private/kernel/arch/x86/arch_kernel.h
+++ b/headers/private/kernel/arch/x86/arch_kernel.h
@@ -48,8 +48,8 @@
 #define USER_SIZE				(0x800000000000 - 0x200000)
 #define USER_TOP				(USER_BASE + (USER_SIZE - 1))
 
-#define KERNEL_USER_DATA_BASE	0x7fffe0000000
-#define USER_STACK_REGION		0x7ffff0000000
+#define KERNEL_USER_DATA_BASE	0x7f0000000000
+#define USER_STACK_REGION		0x7f0000000000
 #define USER_STACK_REGION_SIZE	((USER_TOP - USER_STACK_REGION) + 1)