diff --git a/ChangeLog b/ChangeLog
index 89bb5ae..43c9f94 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2001-11-16  Ben Elliston  <bje@redhat.com>
+
+	* config.sub: Accept "-atheos*" as a valid OS.
+	From Taco Witte <T.C.Witte@phys.uu.nl>.
+
 2001-11-08  Ben Elliston  <bje@redhat.com>
 
 	* config.guess: Handle 3487/3488 machines for NCR SysV UNIX.
diff --git a/config.sub b/config.sub
index 2479469..93fd7a2 100755
--- a/config.sub
+++ b/config.sub
@@ -3,7 +3,7 @@
 #   Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001
 #   Free Software Foundation, Inc.
 
-timestamp='2001-11-08'
+timestamp='2001-11-16'
 
 # This file is (in principle) common to ALL GNU software.
 # The presence of a machine in this file suggests that SOME GNU software
@@ -1061,7 +1061,7 @@ case $os in
 	      | -*vms* | -sco* | -esix* | -isc* | -aix* | -sunos | -sunos[34]*\
 	      | -hpux* | -unos* | -osf* | -luna* | -dgux* | -solaris* | -sym* \
 	      | -amigaos* | -amigados* | -msdos* | -newsos* | -unicos* | -aof* \
-	      | -aos* \
+	      | -aos* | -atheos* \
 	      | -nindy* | -vxsim* | -vxworks* | -ebmon* | -hms* | -mvs* \
 	      | -clix* | -riscos* | -uniplus* | -iris* | -rtu* | -xenix* \
 	      | -hiux* | -386bsd* | -netbsd* | -openbsd* | -freebsd* | -riscix* \