diff --git a/hw/pci.c b/hw/pci.c
index 4d0cdc7824..27eac04b52 100644
--- a/hw/pci.c
+++ b/hw/pci.c
@@ -60,13 +60,8 @@ static struct BusInfo pci_bus_info = {
     .size       = sizeof(PCIBus),
     .print_dev  = pcibus_dev_print,
     .props      = (Property[]) {
-        {
-            .name   = "addr",
-            .info   = &qdev_prop_pci_devfn,
-            .offset = offsetof(PCIDevice, devfn),
-            .defval = (uint32_t[]) { -1 },
-        },
-        {/* end of list */}
+        DEFINE_PROP_PCI_DEVFN("addr", PCIDevice, devfn, -1),
+        DEFINE_PROP_END_OF_LIST()
     }
 };
 
diff --git a/hw/pci.h b/hw/pci.h
index cbfea6af69..a2ec16a301 100644
--- a/hw/pci.h
+++ b/hw/pci.h
@@ -177,7 +177,7 @@ struct PCIDevice {
 
     /* the following fields are read only */
     PCIBus *bus;
-    int devfn;
+    uint32_t devfn;
     char name[64];
     PCIIORegion io_regions[PCI_NUM_REGIONS];