diff --git a/hw/pci-host/pnv_phb3.c b/hw/pci-host/pnv_phb3.c
index 3aa42ef9d4..9c4451ca0d 100644
--- a/hw/pci-host/pnv_phb3.c
+++ b/hw/pci-host/pnv_phb3.c
@@ -993,7 +993,7 @@ static void pnv_phb3_realize(DeviceState *dev, Error **errp)
     PnvMachineState *pnv = PNV_MACHINE(qdev_get_machine());
     int i;
 
-    if (phb->phb_id >= PNV8_CHIP_PHB3_MAX) {
+    if (phb->phb_id >= PNV_CHIP_GET_CLASS(phb->chip)->num_phbs) {
         error_setg(errp, "invalid PHB index: %d", phb->phb_id);
         return;
     }