diff --git a/ppp-2.4.2-cifdefroute.diff b/ppp-2.4.2-cifdefroute.diff
index 4e3406d..53928f4 100644
--- a/ppp-2.4.2-cifdefroute.diff
+++ b/ppp-2.4.2-cifdefroute.diff
@@ -169,8 +169,8 @@
 --- pppd/sys-linux.c
 +++ pppd/sys-linux.c
 @@ -206,6 +206,8 @@
- 
  static int	if_is_up;	/* Interface has been marked up */
+ static int	if6_is_up;	/* Interface has been marked up for IPv6, to help differentiate */
  static int	have_default_route;	/* Gateway for default route added */
 +static struct rtentry old_def_rt;       /* Old default route */
 +static int       default_rt_repl_rest;  /* replace and restore old default rt */