--- src/command.c.orig	Sun Mar  8 09:48:42 1998
+++ src/command.c	Sun Mar  8 09:49:08 1998
@@ -505,7 +505,7 @@
     ttydev = tty_name;
 
 #define	PTYCHAR1	"pqrstuvwxyz"
-#define	PTYCHAR2	"0123456789abcdef"
+#define	PTYCHAR2	"0123456789abcdefghijklmnopqrstuv"
     for (c1 = PTYCHAR1; *c1; c1++) {
 	ptydev[len - 2] = ttydev[len - 2] = *c1;
 	for (c2 = PTYCHAR2; *c2; c2++) {