2 files changed, 1 insertions, 2 deletions

diff --git a/arch/x86/boot/compressed/misc.h b/arch/x86/boot/compressed/misc.h
index a267849ac1c9..3f19c81a6203 100644
--- a/arch/x86/boot/compressed/misc.h
+++ b/arch/x86/boot/compressed/misc.h
@@ -20,6 +20,7 @@
 #include <asm/bootparam.h>
 
 #define BOOT_BOOT_H
+#include "../ctype.h"
 
 /* misc.c */
 extern struct boot_params *real_mode;           /* Pointer to real-mode data */
diff --git a/arch/x86/boot/compressed/string.c b/arch/x86/boot/compressed/string.c
index 7995c6a49509..19b3e693cd72 100644
--- a/arch/x86/boot/compressed/string.c
+++ b/arch/x86/boot/compressed/string.c
@@ -1,4 +1,2 @@
 #include "misc.h"
-
-#include "../isdigit.h"
 #include "../string.c"