diff --git a/sys/netinet/ip_mroute.c b/sys/netinet/ip_mroute.c
index f074fea9b0b5..debde7db7ad6 100644
--- a/sys/netinet/ip_mroute.c
+++ b/sys/netinet/ip_mroute.c
@@ -1386,6 +1386,15 @@ X_ip_mforward(struct ip *ip, struct ifnet *ifp, struct mbuf *m,
 	    rt->mfc_rp.s_addr = INADDR_ANY;
 	    rt->mfc_bw_meter = NULL;
 
+	    /* initialize pkt counters per src-grp */
+	    rt->mfc_pkt_cnt = 0;
+	    rt->mfc_byte_cnt = 0;
+	    rt->mfc_wrong_if = 0;
+	    timevalclear(&rt->mfc_last_assert);
+
+	    TAILQ_INIT(&rt->mfc_stall);
+	    rt->mfc_nstall = 0;
+
 	    /* link into table */
 	    LIST_INSERT_HEAD(&mfchashtbl[hash], rt, mfc_hash);
 	    TAILQ_INSERT_HEAD(&rt->mfc_stall, rte, rte_link);