diff -ru gpart-0.1h.orig/src/gm_ntfs.h gpart-0.1h/src/gm_ntfs.h
--- gpart-0.1h.orig/src/gm_ntfs.h	2001-01-29 21:33:58.000000000 +0100
+++ gpart-0.1h/src/gm_ntfs.h	2012-02-26 14:25:57.202524217 +0100
@@ -29,7 +29,7 @@
 /* 'NTFS' in little endian */
 #define NTFS_SUPER_MAGIC	0x5346544E
 
-#if defined(i386) || defined(__i386__) || defined(__alpha__)
+#if defined(i386) || defined(__i386__) || defined(__alpha__) || defined(__arm__) || defined(__x86_64__)
 
 /* unsigned integral types */
 #ifndef NTFS_INTEGRAL_TYPES