1 files changed, 1 insertions, 1 deletions
diff --git a/hw/pci.h b/hw/pci.h
index c3cacce046..7f223c01e1 100644
--- a/hw/pci.h
+++ b/hw/pci.h
@@ -197,7 +197,7 @@ struct PCIDevice {
 
     /* the following fields are read only */
     PCIBus *bus;
-    uint32_t devfn;
+    int32_t devfn;
     char name[64];
     PCIIORegion io_regions[PCI_NUM_REGIONS];