diff --git a/sysdeps/unix/sysv/linux/alpha/nptl/bits/pthreadtypes.h b/sysdeps/unix/sysv/linux/alpha/nptl/bits/pthreadtypes.h
index 2d8a00b93f..0fed5cc918 100644
--- a/sysdeps/unix/sysv/linux/alpha/nptl/bits/pthreadtypes.h
+++ b/sysdeps/unix/sysv/linux/alpha/nptl/bits/pthreadtypes.h
@@ -1,5 +1,5 @@
 /* Machine-specific pthread type layouts.  Alpha version.
-   Copyright (C) 2003 Free Software Foundation, Inc.
+   Copyright (C) 2003, 2004 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -56,6 +56,7 @@ typedef union
     /* KIND must stay at this position in the structure to maintain
        binary compatibility.  */
     int __kind;
+    int __spins;
   } __data;
   char __size[__SIZEOF_PTHREAD_MUTEX_T];
   long int __align;