1 files changed, 1 insertions, 1 deletions

diff --git a/networking/route.c b/networking/route.c
index 4235ea72c..24cc2eb5a 100644
--- a/networking/route.c
+++ b/networking/route.c
@@ -283,7 +283,7 @@ static NOINLINE void INET_setroute(int action, char **args)
                 if (k == KW_IPVx_IRTT) {
                         rt->rt_flags |= RTF_IRTT;
                         rt->rt_irtt = xatoul(args_m1);
-                        rt->rt_irtt *= (sysconf(_SC_CLK_TCK) / 100);    /* FIXME */
+                        rt->rt_irtt *= (bb_clk_tck() / 100);    /* FIXME */
 #if 0                                   /* FIXME: do we need to check anything of this? */
                         if (rt->rt_irtt < 1 || rt->rt_irtt > (120 * HZ)) {
                                 bb_error_msg_and_die("bad irtt");