diff --git a/sysdeps/mach/hurd/bits/typesizes.h b/sysdeps/mach/hurd/bits/typesizes.h
index 7b95bb0b91..646ee934bb 100644
--- a/sysdeps/mach/hurd/bits/typesizes.h
+++ b/sysdeps/mach/hurd/bits/typesizes.h
@@ -26,7 +26,7 @@
 /* See <bits/types.h> for the meaning of these macros.  This file exists so
    that <bits/types.h> need not vary across different GNU platforms.  */
 
-#define __DEV_T_TYPE		__U32_TYPE
+#define __DEV_T_TYPE		__UWORD_TYPE
 #define __UID_T_TYPE		__U32_TYPE
 #define __GID_T_TYPE		__U32_TYPE
 #define __INO_T_TYPE		__ULONGWORD_TYPE