diff -urN busybox.old/networking/telnetd.c busybox.dev/networking/telnetd.c
--- busybox.old/networking/telnetd.c	2005-08-17 03:29:10.000000000 +0200
+++ busybox.dev/networking/telnetd.c	2005-10-22 19:37:49.976396000 +0200
@@ -49,6 +49,8 @@
 
 #define BUFSIZE 4000
 
+#undef CONFIG_FEATURE_IPV6
+
 #ifdef CONFIG_FEATURE_IPV6
 #define SOCKET_TYPE	AF_INET6
 typedef struct sockaddr_in6 sockaddr_type;
