diff --git a/mac80211.c b/mac80211.c
index b4d9d9ac..00c2a875 100644
--- a/mac80211.c
+++ b/mac80211.c
@@ -952,6 +952,7 @@ mt76_sta_add(struct mt76_dev *dev, struct ieee80211_vif *vif,
 	ewma_signal_init(&wcid->rssi);
 	if (ext_phy)
 		mt76_wcid_mask_set(dev->wcid_phy_mask, wcid->idx);
+	wcid->ext_phy = ext_phy;
 	rcu_assign_pointer(dev->wcid[wcid->idx], wcid);
 
 out:
diff --git a/mt76.h b/mt76.h
index d823dc77..afbe6e6a 100644
--- a/mt76.h
+++ b/mt76.h
@@ -200,6 +200,7 @@ struct mt76_wcid {
 	u8 hw_key_idx;
 
 	u8 sta:1;
+	u8 ext_phy:1;
 
 	u8 rx_check_pn;
 	u8 rx_key_pn[IEEE80211_NUM_TIDS][6];