diff --git a/mt7996/pci.c b/mt7996/pci.c
index 12523ddb..b7d9193e 100644
--- a/mt7996/pci.c
+++ b/mt7996/pci.c
@@ -141,7 +141,7 @@ static int mt7996_pci_probe(struct pci_dev *pdev,
 	dev->hif2 = hif2;
 
 	mt76_npu_init(mdev, pci_resource_start(pdev, 0),
-		      pdev->bus && pci_domain_nr(pdev->bus) ? 3 : 2);
+		      pci_domain_nr(pdev->bus) ? 3 : 2);
 
 	ret = mt7996_mmio_wed_init(dev, pdev, false, &irq);
 	if (ret < 0)