diff --git a/headers/private/kernel/arch/x86/arch_cpu.h b/headers/private/kernel/arch/x86/arch_cpu.h
index 10cb125a1a..cbe80a9220 100644
--- a/headers/private/kernel/arch/x86/arch_cpu.h
+++ b/headers/private/kernel/arch/x86/arch_cpu.h
@@ -5,9 +5,11 @@
 #ifndef _KERNEL_ARCH_x86_CPU_H
 #define _KERNEL_ARCH_x86_CPU_H
 
-#include <ktypes.h>
+
+#include <SupportDefs.h>
 #include <arch/x86/descriptors.h>
 
+
 struct tss {
 	uint16 prev_task;
 	uint16 unused0;
diff --git a/headers/private/kernel/arch/x86/stage2_priv.h b/headers/private/kernel/arch/x86/stage2_priv.h
index 867b5af7d8..6b90f325e7 100755
--- a/headers/private/kernel/arch/x86/stage2_priv.h
+++ b/headers/private/kernel/arch/x86/stage2_priv.h
@@ -5,8 +5,10 @@
 #ifndef _STAGE2_PRIV_H
 #define _STAGE2_PRIV_H
 
+
+#include <SupportDefs.h>
 #include <boot/stage2.h>
-#include <ktypes.h>
+
 
 extern void clearscreen(void);
 extern void kputs(const char *str);
diff --git a/headers/private/kernel/arch/x86/vesa.h b/headers/private/kernel/arch/x86/vesa.h
index 516e4c841d..a0fb0890ca 100755
--- a/headers/private/kernel/arch/x86/vesa.h
+++ b/headers/private/kernel/arch/x86/vesa.h
@@ -5,7 +5,9 @@
 #ifndef _STAGE2_VESA_H
 #define _STAGE2_VESA_H
 
-#include <ktypes.h>
+
+#include <SupportDefs.h>
+
 
 struct VBEInfoBlock {
 	char   signature[4]; // should be 'VESA'