diff --git a/hw/pci-bridge/dec.c b/hw/pci-bridge/dec.c
index cca93620acc1..eb275e1a25a5 100644
--- a/hw/pci-bridge/dec.c
+++ b/hw/pci-bridge/dec.c
@@ -62,6 +62,7 @@ static void dec_21154_pci_bridge_class_init(ObjectClass *klass, void *data)
     DeviceClass *dc = DEVICE_CLASS(klass);
     PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
 
+    set_bit(DEVICE_CATEGORY_BRIDGE, dc->categories);
     k->realize = dec_pci_bridge_realize;
     k->exit = pci_bridge_exitfn;
     k->vendor_id = PCI_VENDOR_ID_DEC;
@@ -118,6 +119,7 @@ static void dec_21154_pci_host_class_init(ObjectClass *klass, void *data)
     PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
     DeviceClass *dc = DEVICE_CLASS(klass);
 
+    set_bit(DEVICE_CATEGORY_BRIDGE, dc->categories);
     k->realize = dec_21154_pci_host_realize;
     k->vendor_id = PCI_VENDOR_ID_DEC;
     k->device_id = PCI_DEVICE_ID_DEC_21154;