diff --git a/ChangeLog b/ChangeLog
index 1ab58310d36..d375dbf6802 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,8 @@
 1999-05-22  Ben Elliston  <bje@cygnus.com>
 
+	* config.guess: Handle NEC UX/4800. Contributed by Jiro Takabatake
+	<jiro@din.or.jp>.
+
 	* config.guess: Merge with FSF version. Future changes will be
 	more accurately recorded in this ChangeLog.
 	* config.sub: Likewise.
diff --git a/config.guess b/config.guess
index ff7803f9629..b6c264af12e 100755
--- a/config.guess
+++ b/config.guess
@@ -915,7 +915,7 @@ EOF
     news*:NEWS-OS:*:6*)
 	echo mips-sony-newsos6
 	exit 0 ;;
-    R[34]000:*System_V*:*:* | R4000:UNIX_SYSV:*:* | R4000:UNIX_SV:*:*)
+    R[34]000:*System_V*:*:* | R4000:UNIX_SYSV:*:* | R*000:UNIX_SV:*:*)
 	if [ -d /usr/nec ]; then
 	        echo mips-nec-sysv${UNAME_RELEASE}
 	else