1 files changed, 2 insertions, 1 deletions

diff --git a/arch/x86/boot/pmjump.S b/arch/x86/boot/pmjump.S
index f7153d0d476e..f5402d51f7c3 100644
--- a/arch/x86/boot/pmjump.S
+++ b/arch/x86/boot/pmjump.S
@@ -15,6 +15,7 @@
  */
 
 #include <asm/boot.h>
+#include <asm/processor-flags.h>
 #include <asm/segment.h>
 
         .text
@@ -39,7 +40,7 @@ protected_mode_jump:
         movw    $__BOOT_TSS, %di
 
         movl    %cr0, %edx
-        orb     $1, %dl                 # Protected mode (PE) bit
+        orb     $X86_CR0_PE, %dl        # Protected mode
         movl    %edx, %cr0
         jmp     1f                      # Short jump to serialize on 386/486
 1: