diff --git a/util-linux/fdisk_osf.c b/util-linux/fdisk_osf.c
index 79be0cd0f..65e6bd7c4 100644
--- a/util-linux/fdisk_osf.c
+++ b/util-linux/fdisk_osf.c
@@ -43,19 +43,15 @@
 
 #define BSD_LINUX_BOOTDIR "/usr/ucb/mdec"
 
-#if defined(i386) || defined(__sparc__) || defined(__arm__) \
- || defined(__m68k__) || defined(__mips__) || defined(__s390__) \
- || defined(__s390__) || defined(__s390x__) \
- || defined(__sh__) || defined(__x86_64__) || defined(__avr32__) \
- || defined(__nds32__)
-# define BSD_LABELSECTOR   1
-# define BSD_LABELOFFSET   0
-#elif defined(__alpha__) || defined(__powerpc__) || defined(__ia64__) \
+#if defined(__alpha__) \
+ || defined(__powerpc__) \
+ || defined(__ia64__) \
  || defined(__hppa__)
 # define BSD_LABELSECTOR   0
 # define BSD_LABELOFFSET   64
 #else
-# error unknown architecture
+# define BSD_LABELSECTOR   1
+# define BSD_LABELOFFSET   0
 #endif
 
 #define BSD_BBSIZE        8192          /* size of boot area, with label */