diff --git a/src/config.guess b/src/config.guess
index e9e44559f80a46053e18d6c7a7e88acb6bf04c08..a1563dabf1a5d0b2c087970a5d880e971b203e7d 100755
--- a/src/config.guess
+++ b/src/config.guess
@@ -181,6 +181,7 @@ EOF
         UNAME_PROCESSOR=`/usr/bin/uname -p`
         if [ $UNAME_PROCESSOR = mc88100 -o $UNAME_PROCESSOR = mc88110 ] ; then
 	if [ ${TARGET_BINARY_INTERFACE}x = m88kdguxelfx \
+	     -o ${TARGET_BINARY_INTERFACE}x = m88kdguxx \
 	     -o ${TARGET_BINARY_INTERFACE}x = x ] ; then
 		echo m88k-dg-dgux${UNAME_RELEASE}
 	else