diff --git a/hw/dec_pci.c b/hw/dec_pci.c
index 8d059f1315..fb4973bb7c 100644
--- a/hw/dec_pci.c
+++ b/hw/dec_pci.c
@@ -81,9 +81,8 @@ static int dec_21154_pci_host_init(PCIDevice *d)
     /* PCI2PCI bridge same values as PearPC - check this */
     pci_config_set_vendor_id(d->config, PCI_VENDOR_ID_DEC);
     pci_config_set_device_id(d->config, PCI_DEVICE_ID_DEC_21154);
-    d->config[0x08] = 0x02; // revision
+    pci_set_byte(d->config + PCI_REVISION_ID, 0x02);
     pci_config_set_class(d->config, PCI_CLASS_BRIDGE_PCI);
-    d->config[PCI_HEADER_TYPE] = PCI_HEADER_TYPE_BRIDGE; // header_type
     return 0;
 }