diff --git a/sys/netinet6/icmp6.c b/sys/netinet6/icmp6.c
index a3298e655bc..7b9383d728b 100644
--- a/sys/netinet6/icmp6.c
+++ b/sys/netinet6/icmp6.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: icmp6.c,v 1.274 2025/08/03 11:08:40 mvs Exp $	*/
+/*	$OpenBSD: icmp6.c,v 1.275 2025/08/03 11:12:58 mvs Exp $	*/
 /*	$KAME: icmp6.c,v 1.217 2001/06/20 15:03:29 jinmei Exp $	*/
 
 /*
@@ -1292,7 +1292,6 @@ icmp6_redirect_input(struct mbuf *m, int off)
 		struct sockaddr_in6 ssrc;
 		unsigned long rtcount;
 		struct rtentry *newrt = NULL;
-		int ip6_maxdynroutes_local = atomic_load_int(&ip6_maxdynroutes);
 
 		/*
 		 * do not install redirect route, if the number of entries
@@ -1301,8 +1300,7 @@ icmp6_redirect_input(struct mbuf *m, int off)
 		 * (there will be additional hops, though).
 		 */
 		rtcount = rt_timer_queue_count(&icmp6_redirect_timeout_q);
-		if (ip6_maxdynroutes_local >= 0 &&
-		    rtcount >= ip6_maxdynroutes_local)
+		if (rtcount >= atomic_load_int(&ip6_maxdynroutes))
 			goto freeit;
 
 		bzero(&sdst, sizeof(sdst));
diff --git a/sys/netinet6/ip6_input.c b/sys/netinet6/ip6_input.c
index 344a8c19748..e6a5fbc0404 100644
--- a/sys/netinet6/ip6_input.c
+++ b/sys/netinet6/ip6_input.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: ip6_input.c,v 1.295 2025/08/03 04:11:57 mvs Exp $	*/
+/*	$OpenBSD: ip6_input.c,v 1.296 2025/08/03 11:12:58 mvs Exp $	*/
 /*	$KAME: ip6_input.c,v 1.188 2001/03/29 05:34:31 itojun Exp $	*/
 
 /*
@@ -1460,7 +1460,7 @@ const struct sysctl_bounded_args ipv6ctl_vars[] = {
 	{ IPV6CTL_MFORWARDING, &ip6_mforwarding, 0, 1 },
 	{ IPV6CTL_MCAST_PMTU, &ip6_mcast_pmtu, 0, 1 },
 	{ IPV6CTL_NEIGHBORGCTHRESH, &ip6_neighborgcthresh, 0, 5 * 2048 },
-	{ IPV6CTL_MAXDYNROUTES, &ip6_maxdynroutes, -1, 5 * 4096 },
+	{ IPV6CTL_MAXDYNROUTES, &ip6_maxdynroutes, 0, 5 * 4096 },
 };
 
 int