diff --git a/sys/netpfil/pf/pf.c b/sys/netpfil/pf/pf.c
index 9fa2c06f452..2c7db9a7e5c 100644
--- a/sys/netpfil/pf/pf.c
+++ b/sys/netpfil/pf/pf.c
@@ -5513,6 +5513,8 @@ pf_route(struct mbuf **m, struct pf_rule *r, int dir, struct ifnet *oifp,
 	dst.sin_len = sizeof(dst);
 	dst.sin_addr = ip->ip_dst;
 
+	bzero(&naddr, sizeof(naddr));
+
 	if (TAILQ_EMPTY(&r->rpool.list)) {
 		DPFPRINTF(PF_DEBUG_URGENT,
 		    ("%s: TAILQ_EMPTY(&r->rpool.list)\n", __func__));
@@ -5672,6 +5674,8 @@ pf_route6(struct mbuf **m, struct pf_rule *r, int dir, struct ifnet *oifp,
 	dst.sin6_len = sizeof(dst);
 	dst.sin6_addr = ip6->ip6_dst;
 
+	bzero(&naddr, sizeof(naddr));
+
 	if (TAILQ_EMPTY(&r->rpool.list)) {
 		DPFPRINTF(PF_DEBUG_URGENT,
 		    ("%s: TAILQ_EMPTY(&r->rpool.list)\n", __func__));
diff --git a/sys/netpfil/pf/pf_lb.c b/sys/netpfil/pf/pf_lb.c
index 030e7ee7684..5b95b7405a6 100644
--- a/sys/netpfil/pf/pf_lb.c
+++ b/sys/netpfil/pf/pf_lb.c
@@ -328,6 +328,12 @@ pf_map_addr(sa_family_t af, struct pf_rule *r, struct pf_addr *saddr,
 	   src node was created just a moment ago in pf_create_state and it
 	   needs to be filled in with routing decision calculated here. */
 	if (*sn != NULL && !PF_AZERO(&(*sn)->raddr, af)) {
+		/* If the supplied address is the same as the current one we've
+		 * been asked before, so tell the caller that there's no other
+		 * address to be had. */
+		if (PF_AEQ(naddr, &(*sn)->raddr, af))
+			return (1);
+
 		PF_ACPY(naddr, &(*sn)->raddr, af);
 		if (V_pf_status.debug >= PF_DEBUG_MISC) {
 			printf("pf_map_addr: src tracking maps ");