diff -u busybox-1.5.0/networking/udhcp/options.c busybox-1.5.0_new/networking/udhcp/options.c
--- busybox-1.5.0/networking/udhcp/options.c	2007-03-22 21:21:23.000000000 +0100
+++ busybox-1.5.0_new/networking/udhcp/options.c	2007-06-02 18:57:42.000000000 +0200
@@ -25,7 +25,7 @@
 	{"bootsize",    OPTION_U16,                             0x0d},
 	{"domain",      OPTION_STRING | OPTION_LIST | OPTION_REQ, 0x0f},
 	{"swapsvr",     OPTION_IP,                              0x10},
-	{"rootpath",    OPTION_STRING,                          0x11},
+	{"rootpath",    OPTION_STRING | OPTION_REQ,             0x11},
 	{"ipttl",       OPTION_U8,                              0x17},
 	{"mtu",         OPTION_U16,                             0x1a},
 	{"broadcast",   OPTION_IP | OPTION_REQ,                 0x1c},