diff --git a/hw/virtio/virtio-pci.c b/hw/virtio/virtio-pci.c
index 16d6e69a555771b527aaa0d3aa3d923c07e1a0b6..7804361eccd5b90a3096f66dfb31413f0382064b 100644
--- a/hw/virtio/virtio-pci.c
+++ b/hw/virtio/virtio-pci.c
@@ -1344,7 +1344,9 @@ static void virtio_pci_device_plugged(DeviceState *d, Error **errp)
                               VIRTIO_QUEUE_MAX);
         memory_region_add_subregion(&proxy->modern_bar, 0x3000, &proxy->notify);
         pci_register_bar(&proxy->pci_dev, modern_mem_bar,
-                         PCI_BASE_ADDRESS_SPACE_MEMORY,
+                         PCI_BASE_ADDRESS_SPACE_MEMORY |
+                         PCI_BASE_ADDRESS_MEM_PREFETCH |
+                         PCI_BASE_ADDRESS_MEM_TYPE_64,
                          &proxy->modern_bar);
     }