diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/main.c b/drivers/net/wireless/mediatek/mt76/mt7921/main.c
index 0e19ba2b094d..3480205d5fb9 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7921/main.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7921/main.c
@@ -1417,10 +1417,12 @@ mt7921_change_chanctx(struct ieee80211_hw *hw,
 	vif = container_of((void *)mvif, struct ieee80211_vif, drv_priv);
 
 	mt792x_mutex_acquire(phy->dev);
-	if (vif->type == NL80211_IFTYPE_MONITOR)
+	if (vif->type == NL80211_IFTYPE_MONITOR) {
+		mt7921_mcu_set_sniffer(mvif->phy->dev, vif, true);
 		mt7921_mcu_config_sniffer(mvif, ctx);
-	else
+	} else {
 		mt76_connac_mcu_uni_set_chctx(mvif->phy->mt76, &mvif->bss_conf.mt76, ctx);
+	}
 	mt792x_mutex_release(phy->dev);
 }