diff --git a/net/mac80211/rc80211_minstrel_ht.c b/net/mac80211/rc80211_minstrel_ht.c
index 5d60779a0c1b..47aa6f81566b 100644
--- a/net/mac80211/rc80211_minstrel_ht.c
+++ b/net/mac80211/rc80211_minstrel_ht.c
@@ -277,13 +277,15 @@ minstrel_ht_update_stats(struct minstrel_priv *mp, struct minstrel_ht_sta *mi)
 			if (!(mg->supported & BIT(i)))
 				continue;
 
+			index = MCS_GROUP_RATES * group + i;
+
 			/* initialize rates selections starting indexes */
 			if (!mg_rates_valid) {
 				mg->max_tp_rate = mg->max_tp_rate2 =
 					mg->max_prob_rate = i;
 				if (!mi_rates_valid) {
 					mi->max_tp_rate = mi->max_tp_rate2 =
-						mi->max_prob_rate = i;
+						mi->max_prob_rate = index;
 					mi_rates_valid = true;
 				}
 				mg_rates_valid = true;
@@ -291,7 +293,6 @@ minstrel_ht_update_stats(struct minstrel_priv *mp, struct minstrel_ht_sta *mi)
 
 			mr = &mg->rates[i];
 			mr->retry_updated = false;
-			index = MCS_GROUP_RATES * group + i;
 			minstrel_calc_rate_ewma(mr);
 			minstrel_ht_calc_tp(mi, group, i);