diff --git a/hw/pci.c b/hw/pci.c
index e72071590c6674b42e1354053846c3fc43227a5b..b05d5d9f591877720f15b30b7eac1e0a15077bbc 100644
--- a/hw/pci.c
+++ b/hw/pci.c
@@ -1021,6 +1021,7 @@ static void pci_bios_init_device(PCIDevice *d)
             /* PIIX3 IDE */
             pci_config_writew(d, PCI_COMMAND, PCI_COMMAND_IO);
             pci_config_writew(d, 0x40, 0x8000); // enable IDE0
+            pci_config_writew(d, 0x42, 0x8000); // enable IDE1
         } else {
             /* IDE: we map it as in ISA mode */
             pci_set_io_region_addr(d, 0, 0x1f0);