diff --git a/config.guess b/config.guess
index dafad11191e..34c159404fe 100755
--- a/config.guess
+++ b/config.guess
@@ -367,7 +367,7 @@ EOF
 	case "${UNAME_MACHINE}" in
 	    9000/31? )            HP_ARCH=m68000 ;;
 	    9000/[34]?? )         HP_ARCH=m68k ;;
-	    9000/7?? | 9000/8?[1679] ) 
+	    9000/7?? | 9000/8?[13679] )
               sed 's/^              //' << EOF >dummy.c
               #include <stdlib.h>
               #include <unistd.h>