diff --git a/mt7603/beacon.c b/mt7603/beacon.c
index 9b4d60ea..594834ea 100644
--- a/mt7603/beacon.c
+++ b/mt7603/beacon.c
@@ -148,7 +148,8 @@ void mt7603_pre_tbtt_tasklet(unsigned long arg)
 
 out:
 	mt76_queue_tx_cleanup(dev, MT_TXQ_BEACON, false);
-	if (dev->mt76.q_tx[MT_TXQ_BEACON].queued > MT7603_MAX_INTERFACES)
+	if (dev->mt76.q_tx[MT_TXQ_BEACON].queued >
+	    __sw_hweight8(dev->beacon_mask))
 		dev->beacon_check++;
 }