diff --git a/ChangeLog b/ChangeLog
index e2e2dd2..07b9c76 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2008-01-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
+
+	* config.guess (*:AIX:*:[4-9]): Accept UNAME_VERSIONs > 5, for AIX
+	6.1.  Reported by Rainer Tammer <tammer@tammer.net>.
+
 2007-12-12  Ben Elliston  <bje@gnu.org>
 
 	* config.guess (*:Interix*:[3456]*): Handle IA64 ${UNAME_MACHINE}.
diff --git a/config.guess b/config.guess
index 0db092a..03e59a2 100755
--- a/config.guess
+++ b/config.guess
@@ -532,7 +532,7 @@ EOF
 		echo rs6000-ibm-aix3.2
 	fi
 	exit ;;
-    *:AIX:*:[45])
+    *:AIX:*:[456])
 	IBM_CPU_ID=`/usr/sbin/lsdev -C -c processor -S available | sed 1q | awk '{ print $1 }'`
 	if /usr/sbin/lsattr -El ${IBM_CPU_ID} | grep ' POWER' >/dev/null 2>&1; then
 		IBM_ARCH=rs6000