diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/main.c b/drivers/net/wireless/mediatek/mt76/mt7915/main.c
index 92f860b947f67..c0361c2d73b58 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7915/main.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/main.c
@@ -240,7 +240,7 @@ static void mt7915_remove_interface(struct ieee80211_hw *hw,
 
 	mutex_lock(&dev->mt76.mutex);
 	phy->mt76->vif_mask &= ~BIT(mvif->idx);
-	phy->omac_mask &= ~BIT(mvif->omac_idx);
+	phy->omac_mask &= ~BIT_ULL(mvif->omac_idx);
 	mutex_unlock(&dev->mt76.mutex);
 
 	spin_lock_bh(&dev->sta_poll_lock);