diff --git a/hw/pci.c b/hw/pci.c
index 3ca5f4c820..fee27fcf87 100644
--- a/hw/pci.c
+++ b/hw/pci.c
@@ -663,8 +663,11 @@ static void pci_init_mask_bridge(PCIDevice *d)
     pci_set_word(d->w1cmask + PCI_BRIDGE_CONTROL,
                  PCI_BRIDGE_CTL_DISCARD_STATUS);
     d->cmask[PCI_IO_BASE] |= PCI_IO_RANGE_TYPE_MASK;
+    d->cmask[PCI_IO_LIMIT] |= PCI_IO_RANGE_TYPE_MASK;
     pci_word_test_and_set_mask(d->cmask + PCI_PREF_MEMORY_BASE,
                                PCI_PREF_RANGE_TYPE_MASK);
+    pci_word_test_and_set_mask(d->cmask + PCI_PREF_MEMORY_LIMIT,
+                               PCI_PREF_RANGE_TYPE_MASK);
 }
 
 static int pci_init_multifunction(PCIBus *bus, PCIDevice *dev)