diff --git a/arch/x86/include/asm/types.h b/arch/x86/include/asm/types.h
index 766617f..880dcb4 100644
--- a/arch/x86/include/asm/types.h
+++ b/arch/x86/include/asm/types.h
@@ -44,11 +44,7 @@
 typedef __UINT64_TYPE__ u64;
 #endif
 
-#ifdef CONFIG_EFI_STUB_64BIT
-#define BITS_PER_LONG 64
-#else
 #define BITS_PER_LONG 32
-#endif
 /* Dma addresses are 32-bits wide.  */
 
 typedef u32 dma_addr_t;
diff --git a/include/efi.h b/include/efi.h
index 21921f1..83de2d4 100644
--- a/include/efi.h
+++ b/include/efi.h
@@ -27,19 +27,27 @@
 
 struct efi_device_path;
 
+#define EFI_BITS_PER_LONG	BITS_PER_LONG
+
+/* With 64-bit EFI stub, EFI_BITS_PER_LONG has to be 64 */
+#ifdef CONFIG_EFI_STUB_64BIT
+#undef EFI_BITS_PER_LONG
+#define EFI_BITS_PER_LONG	64
+#endif
+
 #define EFI_SUCCESS		0
-#define EFI_LOAD_ERROR		(1 | (1UL << (BITS_PER_LONG - 1)))
-#define EFI_INVALID_PARAMETER	(2 | (1UL << (BITS_PER_LONG - 1)))
-#define EFI_UNSUPPORTED		(3 | (1UL << (BITS_PER_LONG - 1)))
-#define EFI_BAD_BUFFER_SIZE	(4 | (1UL << (BITS_PER_LONG - 1)))
-#define EFI_BUFFER_TOO_SMALL	(5 | (1UL << (BITS_PER_LONG - 1)))
-#define EFI_NOT_READY		(6 | (1UL << (BITS_PER_LONG - 1)))
-#define EFI_DEVICE_ERROR	(7 | (1UL << (BITS_PER_LONG - 1)))
-#define EFI_WRITE_PROTECTED	(8 | (1UL << (BITS_PER_LONG - 1)))
-#define EFI_OUT_OF_RESOURCES	(9 | (1UL << (BITS_PER_LONG - 1)))
-#define EFI_NOT_FOUND		(14 | (1UL << (BITS_PER_LONG - 1)))
-#define EFI_ACCESS_DENIED	(15 | (1UL << (BITS_PER_LONG - 1)))
-#define EFI_SECURITY_VIOLATION	(26 | (1UL << (BITS_PER_LONG - 1)))
+#define EFI_LOAD_ERROR		(1 | (1UL << (EFI_BITS_PER_LONG - 1)))
+#define EFI_INVALID_PARAMETER	(2 | (1UL << (EFI_BITS_PER_LONG - 1)))
+#define EFI_UNSUPPORTED		(3 | (1UL << (EFI_BITS_PER_LONG - 1)))
+#define EFI_BAD_BUFFER_SIZE	(4 | (1UL << (EFI_BITS_PER_LONG - 1)))
+#define EFI_BUFFER_TOO_SMALL	(5 | (1UL << (EFI_BITS_PER_LONG - 1)))
+#define EFI_NOT_READY		(6 | (1UL << (EFI_BITS_PER_LONG - 1)))
+#define EFI_DEVICE_ERROR	(7 | (1UL << (EFI_BITS_PER_LONG - 1)))
+#define EFI_WRITE_PROTECTED	(8 | (1UL << (EFI_BITS_PER_LONG - 1)))
+#define EFI_OUT_OF_RESOURCES	(9 | (1UL << (EFI_BITS_PER_LONG - 1)))
+#define EFI_NOT_FOUND		(14 | (1UL << (EFI_BITS_PER_LONG - 1)))
+#define EFI_ACCESS_DENIED	(15 | (1UL << (EFI_BITS_PER_LONG - 1)))
+#define EFI_SECURITY_VIOLATION	(26 | (1UL << (EFI_BITS_PER_LONG - 1)))
 
 typedef unsigned long efi_status_t;
 typedef u64 efi_physical_addr_t;