diff --git a/include/ntfs-3g/endians.h b/include/ntfs-3g/endians.h
index b93761d3..948295f2 100644
--- a/include/ntfs-3g/endians.h
+++ b/include/ntfs-3g/endians.h
@@ -61,10 +61,16 @@
 #		define __BYTE_ORDER BYTE_ORDER
 #		define __LITTLE_ENDIAN LITTLE_ENDIAN
 #		define __BIG_ENDIAN BIG_ENDIAN
-#	elif defined(__BYTE_ORDER__)
+#	elif defined(__BYTE_ORDER__) && defined(__LITTLE_ENDIAN__) && \
+			defined(__BIG_ENDIAN__)
 #		define __BYTE_ORDER __BYTE_ORDER__
 #		define __LITTLE_ENDIAN __LITTLE_ENDIAN__
 #		define __BIG_ENDIAN __BIG_ENDIAN__
+#	elif defined(__BYTE_ORDER__) && defined(__ORDER_LITTLE_ENDIAN__) && \
+			defined(__ORDER_BIG_ENDIAN__)
+#		define __BYTE_ORDER __BYTE_ORDER__
+#		define __LITTLE_ENDIAN __ORDER_LITTLE_ENDIAN__
+#		define __BIG_ENDIAN __ORDER_BIG_ENDIAN__
 #	elif (defined(_LITTLE_ENDIAN) && !defined(_BIG_ENDIAN)) || \
 			defined(WORDS_LITTLEENDIAN)
 #		define __BYTE_ORDER 1