diff --git a/arch/x86/boot/boot.S b/arch/x86/boot/boot.S
index 4a50200..e63dc0d 100644
--- a/arch/x86/boot/boot.S
+++ b/arch/x86/boot/boot.S
@@ -118,6 +118,8 @@ This is useful when debugging or when you implement call tracing.
 */
 .size _start, . - _start
 .global _stack_bottom
-_stack_bottom: stack_bottom
-.global _stack_stop
-_stack_stop: stack_top
+_stack_bottom:
+   .long stack_bottom
+.global _stack_top
+_stack_top:
+   .long stack_top