diff --git a/mt76_connac_mcu.c b/mt76_connac_mcu.c
index c8660fb3..dfec416e 100644
--- a/mt76_connac_mcu.c
+++ b/mt76_connac_mcu.c
@@ -1536,6 +1536,9 @@ int mt76_connac_mcu_hw_scan(struct mt76_phy *phy, struct ieee80211_vif *vif,
 	struct mt76_connac_hw_scan_req *req;
 	struct sk_buff *skb;
 
+	if (test_bit(MT76_HW_SCANNING, &phy->state))
+		return -EBUSY;
+
 	skb = mt76_mcu_msg_alloc(mdev, NULL, sizeof(*req));
 	if (!skb)
 		return -ENOMEM;