Index: if_bwn.c
===================================================================
--- if_bwn.c	(revision 207481)
+++ if_bwn.c	(working copy)
@@ -8329,6 +8329,7 @@
 static int
 bwn_newstate(struct ieee80211vap *vap, enum ieee80211_state nstate, int arg)
 {
+	const struct ieee80211_txparam *tp;
 	struct bwn_vap *bvp = BWN_VAP(vap);
 	struct ieee80211com *ic= vap->iv_ic;
 	struct ifnet *ifp = ic->ic_ifp;
@@ -8377,6 +8378,11 @@
 		bwn_set_pretbtt(mac);
 		bwn_spu_setdelay(mac, 0);
 		bwn_set_macaddr(mac);
+
+		/* Initializes ratectl for a node. */
+		tp = &vap->iv_txparms[ieee80211_chan2mode(ic->ic_curchan)];
+		if (tp->ucastrate == IEEE80211_FIXED_RATE_NONE)
+			ieee80211_ratectl_node_init(vap->iv_bss);
 	}
 
 	BWN_UNLOCK(sc);