diff --git a/ChangeLog b/ChangeLog
index 4e6c2b5..ad5d080 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,11 @@
+2015-02-21  Taylor R Campbell  <riastradh@NetBSD.org>
+
+	* config.guess (*:NetBSD:*:*): `uname -p' and `sysctl -n
+	hw.machine_arch' have been the same since `uname -p' was
+	introduced in 1998.  `sysctl -n hw.machine_arch' has been around a
+	little longer, since 1997, so fall back to that in the obscure
+	case that someone might still care about that vintage.
+
 2015-02-20  Ben Elliston  <bje@gnu.org>
 
 	* testsuite/config-guess.sh: Read an additional column from the
diff --git a/config.guess b/config.guess
index dbfb978..9726d28 100755
--- a/config.guess
+++ b/config.guess
@@ -2,7 +2,7 @@
 # Attempt to guess a canonical system name.
 #   Copyright 1992-2015 Free Software Foundation, Inc.
 
-timestamp='2015-01-01'
+timestamp='2015-02-21'
 
 # This file is free software; you can redistribute it and/or modify it
 # under the terms of the GNU General Public License as published by
@@ -168,8 +168,10 @@ case "${UNAME_MACHINE}:${UNAME_SYSTEM}:${UNAME_RELEASE}:${UNAME_VERSION}" in
 	# Note: NetBSD doesn't particularly care about the vendor
 	# portion of the name.  We always set it to "unknown".
 	sysctl="sysctl -n hw.machine_arch"
-	UNAME_MACHINE_ARCH=`(/sbin/$sysctl 2>/dev/null || \
-	    /usr/sbin/$sysctl 2>/dev/null || echo unknown)`
+	UNAME_MACHINE_ARCH=`(uname -p 2>/dev/null || \
+	    /sbin/$sysctl 2>/dev/null || \
+	    /usr/sbin/$sysctl 2>/dev/null || \
+	    echo unknown)`
 	case "${UNAME_MACHINE_ARCH}" in
 	    armeb) machine=armeb-unknown ;;
 	    arm*) machine=arm-unknown ;;