Index: kernel/arch/amd64/src/smp/ap.S
===================================================================
--- kernel/arch/amd64/src/smp/ap.S	(revision 57c2a87b03a0b6c08cef4f64f0cf52a7d8b38b62)
+++ kernel/arch/amd64/src/smp/ap.S	(revision 28896348a964e98e5ddbdde96390f1e253461b14)
@@ -39,4 +39,5 @@
 #include <arch/cpu.h>
 #include <arch/cpuid.h>
+#include <arch/context_struct.h>
 
 .section K_TEXT_START, "ax"
@@ -98,5 +99,5 @@
 start64:
 	movabsq $ctx, %rsp
-	movq (%rsp), %rsp
+	movq CONTEXT_OFFSET_SP(%rsp), %rsp
 	
 	pushq $0