diff --git a/bootboot.efi b/bootboot.efi
index 1b67fef..e909806 100755
Binary files a/bootboot.efi and b/bootboot.efi differ
diff --git a/bootboot.rom b/bootboot.rom
index 160af87..b119fdc 100644
Binary files a/bootboot.rom and b/bootboot.rom differ
diff --git a/x86_64-efi/bootboot.c b/x86_64-efi/bootboot.c
index 2f76cdb..b999523 100644
--- a/x86_64-efi/bootboot.c
+++ b/x86_64-efi/bootboot.c
@@ -1210,7 +1210,7 @@ VOID EFIAPI bootboot_startcore(IN VOID* buf)
         "btrw $1, %%ax;"
         "mov %%rax, %%cr0;"
         "mov %%cr4, %%rax;"
-        "orw $3 << 9, %%ax;"
+        "orw $3 << 8, %%ax;"
         "mov %%rax, %%cr4"
         : );