diff --git a/include/linux/patchkey.h b/include/linux/patchkey.h
index d974a6e..aefda0e 100644
--- a/include/linux/patchkey.h
+++ b/include/linux/patchkey.h
@@ -32,7 +32,8 @@
 #  else
 #    error "could not determine byte order"
 #  endif
-#elif defined(__BYTE_ORDER)
+#else
+#if defined(__BYTE_ORDER)
 #  if __BYTE_ORDER == __BIG_ENDIAN
 #    define _PATCHKEY(id) (0xfd00|id)
 #  elif __BYTE_ORDER == __LITTLE_ENDIAN
@@ -41,5 +42,6 @@
 #    error "could not determine byte order"
 #  endif
 #endif
+#endif
 
 #endif /* _LINUX_PATCHKEY_H */