diff --git a/hw/pci.c b/hw/pci.c
index 0c15b13..ca878e8 100644
--- a/hw/pci.c
+++ b/hw/pci.c
@@ -57,6 +57,8 @@ struct BusInfo pci_bus_info = {
[Define a property to make the incompatible change configurable.  Store
in PCIDevice member cap_present bit QEMU_PCI_CAP_SERR_BITNR, default is
true.]
         DEFINE_PROP_UINT32("rombar",  PCIDevice, rom_bar, 1),
         DEFINE_PROP_BIT("multifunction", PCIDevice, cap_present,
                         QEMU_PCI_CAP_MULTIFUNCTION_BITNR, false),
+        DEFINE_PROP_BIT("command_serr_enable", PCIDevice, cap_present,
+                        QEMU_PCI_CAP_SERR_BITNR, true),
         DEFINE_PROP_END_OF_LIST()
     }
 };
diff --git a/hw/pci.h b/hw/pci.h
index 89f7b76..099c251 100644
--- a/hw/pci.h
+++ b/hw/pci.h
@@ -118,6 +118,10 @@ enum {
[Since we use a new bit of the existing cap_present, we don't have
to define a new member.  Instead we need to define the new bit:]
     /* multifunction capable device */
 #define QEMU_PCI_CAP_MULTIFUNCTION_BITNR        3
     QEMU_PCI_CAP_MULTIFUNCTION = (1 << QEMU_PCI_CAP_MULTIFUNCTION_BITNR),
+
+    /* command register SERR bit enabled */
+#define QEMU_PCI_CAP_SERR_BITNR 4
+    QEMU_PCI_CAP_SERR = (1 << QEMU_PCI_CAP_SERR_BITNR),
 };