diff --git a/ChangeLog b/ChangeLog
index 80e2699..bdc5ed5 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2003-06-06  Douglas B Rupp  <rupp@gnat.com>
+
+	* config.guess: Recognize Interix 4.
+
 2003-06-04  Ben Elliston  <bje@wasabisystems.com>
 
 	* config.guess (set_cc_for_build): Allow insecure temporary
diff --git a/config.guess b/config.guess
index 0cfb7d6..04c91cc 100755
--- a/config.guess
+++ b/config.guess
@@ -3,7 +3,7 @@
 #   Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
 #   2000, 2001, 2002, 2003 Free Software Foundation, Inc.
 
-timestamp='2003-06-04'
+timestamp='2003-06-06'
 
 # 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
@@ -771,8 +771,8 @@ EOF
     i*:PW*:*)
 	echo ${UNAME_MACHINE}-pc-pw32
 	exit 0 ;;
-    x86:Interix*:3*)
-	echo i586-pc-interix3
+    x86:Interix*:[34]*)
+	echo i586-pc-interix${UNAME_RELEASE}|sed -e 's/\..*//'
 	exit 0 ;;
     [345]86:Windows_95:* | [345]86:Windows_98:* | [345]86:Windows_NT:*)
 	echo i${UNAME_MACHINE}-pc-mks