diff --git a/arch/i386/kernel/e820.c b/arch/i386/kernel/e820.c
index f391abcf7da901d2b4320eb2618dc53feddf63c1..9ded1e49119ec42ada50ac9682abe413c8a34f04 100644
--- a/arch/i386/kernel/e820.c
+++ b/arch/i386/kernel/e820.c
@@ -14,6 +14,7 @@
 #include <asm/pgtable.h>
 #include <asm/page.h>
 #include <asm/e820.h>
+#include <asm/setup.h>
 
 #ifdef CONFIG_EFI
 int efi_enabled = 0;