diff --git a/mt7615/main.c b/mt7615/main.c
index 522c7e7a..26af9df6 100644
--- a/mt7615/main.c
+++ b/mt7615/main.c
@@ -464,6 +464,8 @@ int mt7615_mac_sta_add(struct mt76_dev *mdev, struct ieee80211_vif *vif,
 	msta->vif = mvif;
 	msta->wcid.sta = 1;
 	msta->wcid.idx = idx;
+	msta->wcid.ext_phy = mvif->band_idx;
+
 	mt7615_mac_wtbl_update(dev, idx,
 			       MT_WTBL_UPDATE_ADM_COUNT_CLEAR);