diff --git a/sys/netpfil/ipfw/dn_sched_fq_codel.c b/sys/netpfil/ipfw/dn_sched_fq_codel.c
--- a/sys/netpfil/ipfw/dn_sched_fq_codel.c
+++ b/sys/netpfil/ipfw/dn_sched_fq_codel.c
@@ -194,6 +194,9 @@
 	*(aqm_time_t *)(mtag + 1) = AQM_UNOW;
 	m_tag_prepend(m, mtag);
 
+	if (m->m_pkthdr.rcvif != NULL)
+		m_rcvif_serialize(m);
+
 	mq_append(&q->mq, m);
 	fq_update_stats(q, si, len, 0);
 	return 0;