diff --git a/mt7996/mcu.c b/mt7996/mcu.c
index 0ede9769..20519bff 100644
--- a/mt7996/mcu.c
+++ b/mt7996/mcu.c
@@ -339,7 +339,11 @@ mt7996_mcu_rx_radar_detected(struct mt7996_dev *dev, struct sk_buff *skb)
 	if (r->band_idx >= ARRAY_SIZE(dev->mt76.phys))
 		return;
 
-	mphy = dev->mt76.phys[r->band_idx];
+	if (dev->rdd2_phy && r->band_idx == MT_RX_SEL2)
+		mphy = dev->rdd2_phy->mt76;
+	else
+		mphy = dev->mt76.phys[r->band_idx];
+
 	if (!mphy)
 		return;