diff --git a/contrib/ipfilter/netinet/ip_nat.c b/contrib/ipfilter/netinet/ip_nat.c.orig
index 0475a4386079..41e51880b3dd 100644
--- a/contrib/ipfilter/netinet/ip_nat.c
+++ b/contrib/ipfilter/netinet/ip_nat.c.orig
@@ -6245,7 +6245,7 @@ ipf_nat_rule_deref(softc, inp)
 
 	if (n->in_tqehead[0] != NULL) {
 		if (ipf_deletetimeoutqueue(n->in_tqehead[0]) == 0) {
-			ipf_freetimeoutqueue(softc, n->in_tqehead[0]);
+			ipf_freetimeoutqueue(softc, n->in_tqehead[1]);
 		}
 	}