diff --git a/hw/acpi/ich9.c b/hw/acpi/ich9.c
index 778e27b659..1ee2ba2c50 100644
--- a/hw/acpi/ich9.c
+++ b/hw/acpi/ich9.c
@@ -451,7 +451,7 @@ void ich9_pm_add_properties(Object *obj, ICH9LPCPMRegs *pm)
     object_property_add_bool(obj, ACPI_PM_PROP_TCO_ENABLED,
                              ich9_pm_get_enable_tco,
                              ich9_pm_set_enable_tco);
-    object_property_add_bool(obj, "acpi-pci-hotplug-with-bridge-support",
+    object_property_add_bool(obj, ACPI_PM_PROP_ACPI_PCIHP_BRIDGE,
                              ich9_pm_get_acpi_pci_hotplug,
                              ich9_pm_set_acpi_pci_hotplug);
 }
diff --git a/hw/acpi/piix4.c b/hw/acpi/piix4.c
index 48f7a1edbc..f0b5fac44a 100644
--- a/hw/acpi/piix4.c
+++ b/hw/acpi/piix4.c
@@ -647,9 +647,9 @@ static Property piix4_pm_properties[] = {
     DEFINE_PROP_UINT8(ACPI_PM_PROP_S3_DISABLED, PIIX4PMState, disable_s3, 0),
     DEFINE_PROP_UINT8(ACPI_PM_PROP_S4_DISABLED, PIIX4PMState, disable_s4, 0),
     DEFINE_PROP_UINT8(ACPI_PM_PROP_S4_VAL, PIIX4PMState, s4_val, 2),
-    DEFINE_PROP_BOOL("acpi-pci-hotplug-with-bridge-support", PIIX4PMState,
+    DEFINE_PROP_BOOL(ACPI_PM_PROP_ACPI_PCIHP_BRIDGE, PIIX4PMState,
                      use_acpi_hotplug_bridge, true),
-    DEFINE_PROP_BOOL("acpi-root-pci-hotplug", PIIX4PMState,
+    DEFINE_PROP_BOOL(ACPI_PM_PROP_ACPI_PCI_ROOTHP, PIIX4PMState,
                      use_acpi_root_pci_hotplug, true),
     DEFINE_PROP_BOOL("memory-hotplug-support", PIIX4PMState,
                      acpi_memory_hotplug.is_enabled, true),
diff --git a/hw/i386/acpi-build.c b/hw/i386/acpi-build.c
index 5d43a62eea..868195f0c3 100644
--- a/hw/i386/acpi-build.c
+++ b/hw/i386/acpi-build.c
@@ -267,10 +267,10 @@ static void acpi_get_pm_info(MachineState *machine, AcpiPmInfo *pm)
     qobject_unref(o);
 
     pm->pcihp_bridge_en =
-        object_property_get_bool(obj, "acpi-pci-hotplug-with-bridge-support",
+        object_property_get_bool(obj, ACPI_PM_PROP_ACPI_PCIHP_BRIDGE,
                                  NULL);
     pm->pcihp_root_en =
-        object_property_get_bool(obj, "acpi-root-pci-hotplug",
+        object_property_get_bool(obj, ACPI_PM_PROP_ACPI_PCI_ROOTHP,
                                  NULL);
 }
 
diff --git a/hw/i386/pc.c b/hw/i386/pc.c
index c2b9d62a35..25ae3881e9 100644
--- a/hw/i386/pc.c
+++ b/hw/i386/pc.c
@@ -99,7 +99,7 @@ GlobalProperty pc_compat_6_0[] = {
     { "qemu64" "-" TYPE_X86_CPU, "model", "6" },
     { "qemu64" "-" TYPE_X86_CPU, "stepping", "3" },
     { TYPE_X86_CPU, "x-vendor-cpuid-only", "off" },
-    { "ICH9-LPC", "acpi-pci-hotplug-with-bridge-support", "off" },
+    { "ICH9-LPC", ACPI_PM_PROP_ACPI_PCIHP_BRIDGE, "off" },
 };
 const size_t pc_compat_6_0_len = G_N_ELEMENTS(pc_compat_6_0);
 
@@ -311,7 +311,7 @@ const size_t pc_compat_2_0_len = G_N_ELEMENTS(pc_compat_2_0);
 GlobalProperty pc_compat_1_7[] = {
     PC_CPU_MODEL_IDS("1.7.0")
     { TYPE_USB_DEVICE, "msos-desc", "no" },
-    { "PIIX4_PM", "acpi-pci-hotplug-with-bridge-support", "off" },
+    { "PIIX4_PM", ACPI_PM_PROP_ACPI_PCIHP_BRIDGE, "off" },
     { "hpet", HPET_INTCAP, "4" },
 };
 const size_t pc_compat_1_7_len = G_N_ELEMENTS(pc_compat_1_7);
diff --git a/hw/i386/pc_q35.c b/hw/i386/pc_q35.c
index 04b4a4788d..5327ad5abc 100644
--- a/hw/i386/pc_q35.c
+++ b/hw/i386/pc_q35.c
@@ -239,7 +239,7 @@ static void pc_q35_init(MachineState *machine)
                              OBJECT(lpc), &error_abort);
 
     acpi_pcihp = object_property_get_bool(OBJECT(lpc),
-                                          "acpi-pci-hotplug-with-bridge-support",
+                                          ACPI_PM_PROP_ACPI_PCIHP_BRIDGE,
                                           NULL);
 
     if (acpi_pcihp) {
diff --git a/include/hw/acpi/acpi.h b/include/hw/acpi/acpi.h
index 9e8a76f2e2..cc0d370745 100644
--- a/include/hw/acpi/acpi.h
+++ b/include/hw/acpi/acpi.h
@@ -47,6 +47,8 @@
 #define ACPI_PM_PROP_PM_IO_BASE "pm_io_base"
 #define ACPI_PM_PROP_GPE0_BLK "gpe0_blk"
 #define ACPI_PM_PROP_GPE0_BLK_LEN "gpe0_blk_len"
+#define ACPI_PM_PROP_ACPI_PCIHP_BRIDGE "acpi-pci-hotplug-with-bridge-support"
+#define ACPI_PM_PROP_ACPI_PCI_ROOTHP "acpi-root-pci-hotplug"
 
 /* PM Timer ticks per second (HZ) */
 #define PM_TIMER_FREQUENCY  3579545
