diff --git a/src/qemu/qemu_capabilities.c b/src/qemu/qemu_capabilities.c
index 6e72a18455..f58d68031b 100644
--- a/src/qemu/qemu_capabilities.c
+++ b/src/qemu/qemu_capabilities.c
@@ -644,10 +644,11 @@ VIR_ENUM_IMPL(virQEMUCaps,
               "virtio-mem-pci", /* QEMU_CAPS_DEVICE_VIRTIO_MEM_PCI */
               "memory-backend-file.reserve", /* QEMU_CAPS_MEMORY_BACKEND_RESERVE */
               "piix4.acpi-root-pci-hotplug", /* QEMU_CAPS_PIIX4_ACPI_ROOT_PCI_HOTPLUG */
+              "piix4.acpi-hotplug-bridge", /* QEMU_CAPS_PIIX4_ACPI_HOTPLUG_BRIDGE */
               "ich9.acpi-hotplug-bridge", /* QEMU_CAPS_ICH9_ACPI_HOTPLUG_BRIDGE */
-              "netdev.json", /* QEMU_CAPS_NETDEV_JSON */
 
               /* 415 */
+              "netdev.json", /* QEMU_CAPS_NETDEV_JSON */
               "chardev.json", /* QEMU_CAPS_CHARDEV_JSON */
               "device.json", /* QEMU_CAPS_DEVICE_JSON */
               "query-dirty-rate", /* QEMU_CAPS_QUERY_DIRTY_RATE */
@@ -1470,6 +1471,7 @@ static struct virQEMUCapsDevicePropsFlags virQEMUCapsDevicePropsPiix4PM[] = {
     { "disable_s3", QEMU_CAPS_PIIX_DISABLE_S3, NULL },
     { "disable_s4", QEMU_CAPS_PIIX_DISABLE_S4, NULL },
     { "acpi-root-pci-hotplug", QEMU_CAPS_PIIX4_ACPI_ROOT_PCI_HOTPLUG, NULL },
+    { "acpi-pci-hotplug-with-bridge-support", QEMU_CAPS_PIIX4_ACPI_HOTPLUG_BRIDGE, NULL },
 };
 
 static struct virQEMUCapsDevicePropsFlags virQEMUCapsDevicePropsUSBRedir[] = {
diff --git a/src/qemu/qemu_capabilities.h b/src/qemu/qemu_capabilities.h
index 338470ac5d..23f21418c2 100644
--- a/src/qemu/qemu_capabilities.h
+++ b/src/qemu/qemu_capabilities.h
@@ -624,10 +624,11 @@ typedef enum { /* virQEMUCapsFlags grouping marker for syntax-check */
     QEMU_CAPS_DEVICE_VIRTIO_MEM_PCI, /* -device virtio-mem-pci */
     QEMU_CAPS_MEMORY_BACKEND_RESERVE, /* -object memory-backend-*.reserve= */
     QEMU_CAPS_PIIX4_ACPI_ROOT_PCI_HOTPLUG, /* -M pc PIIX4_PM.acpi-root-pci-hotplug */
+    QEMU_CAPS_PIIX4_ACPI_HOTPLUG_BRIDGE, /* -M pc PIIX4_PM.acpi-pci-hotplug-with-bridge-support */
     QEMU_CAPS_ICH9_ACPI_HOTPLUG_BRIDGE, /* -M q35 ICH9-LPC.acpi-pci-hotplug-with-bridge-support */
-    QEMU_CAPS_NETDEV_JSON, /* -netdev accepts JSON */
 
     /* 415 */
+    QEMU_CAPS_NETDEV_JSON, /* -netdev accepts JSON */
     QEMU_CAPS_CHARDEV_JSON, /* -chardev accepts JSON */
     QEMU_CAPS_DEVICE_JSON, /* -device accepts JSON */
     QEMU_CAPS_QUERY_DIRTY_RATE, /* accepts query-dirty-rate */
diff --git a/src/qemu/qemu_command.c b/src/qemu/qemu_command.c
index 335bad5616..60edfc91b2 100644
--- a/src/qemu/qemu_command.c
+++ b/src/qemu/qemu_command.c
@@ -6461,7 +6461,8 @@ qemuBuildPMCommandLine(virCommand *cmd,
     if (acpihp_br != VIR_TRISTATE_SWITCH_ABSENT) {
         const char *pm_object = NULL;
 
-        if (!qemuDomainIsQ35(def))
+        if (!qemuDomainIsQ35(def) &&
+            virQEMUCapsGet(qemuCaps, QEMU_CAPS_PIIX4_ACPI_HOTPLUG_BRIDGE))
             pm_object = "PIIX4_PM";
 
         if (qemuDomainIsQ35(def) &&
diff --git a/src/qemu/qemu_validate.c b/src/qemu/qemu_validate.c
index 3045e4b64b..1ffc261c58 100644
--- a/src/qemu/qemu_validate.c
+++ b/src/qemu/qemu_validate.c
@@ -196,8 +196,8 @@ qemuValidateDomainDefPCIFeature(const virDomainDef *def,
                     return -1;
                 }
 
-                if (qemuDomainIsQ35(def) &&
-                    !virQEMUCapsGet(qemuCaps, QEMU_CAPS_ICH9_ACPI_HOTPLUG_BRIDGE)) {
+                if ((qemuDomainIsQ35(def) && !virQEMUCapsGet(qemuCaps, QEMU_CAPS_ICH9_ACPI_HOTPLUG_BRIDGE)) ||
+                    (!qemuDomainIsQ35(def) && !virQEMUCapsGet(qemuCaps, QEMU_CAPS_PIIX4_ACPI_HOTPLUG_BRIDGE))) {
                     virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
                                    _("acpi-bridge-hotplug is not available with this QEMU binary"));
                     return -1;
diff --git a/tests/qemucapabilitiesdata/caps_2.11.0.x86_64.xml b/tests/qemucapabilitiesdata/caps_2.11.0.x86_64.xml
index 559bf16766..6544b78730 100644
--- a/tests/qemucapabilitiesdata/caps_2.11.0.x86_64.xml
+++ b/tests/qemucapabilitiesdata/caps_2.11.0.x86_64.xml
@@ -167,6 +167,7 @@
   <flag name='am53c974'/>
   <flag name='cpu-max'/>
   <flag name='input-linux'/>
+  <flag name='piix4.acpi-hotplug-bridge'/>
   <version>2011000</version>
   <kvmVersion>0</kvmVersion>
   <microcodeVersion>43100288</microcodeVersion>
diff --git a/tests/qemucapabilitiesdata/caps_2.12.0.x86_64.xml b/tests/qemucapabilitiesdata/caps_2.12.0.x86_64.xml
index 745110142f..c66a140f8d 100644
--- a/tests/qemucapabilitiesdata/caps_2.12.0.x86_64.xml
+++ b/tests/qemucapabilitiesdata/caps_2.12.0.x86_64.xml
@@ -179,6 +179,7 @@
   <flag name='cpu-max'/>
   <flag name='input-linux'/>
   <flag name='virtio-blk.queue-size'/>
+  <flag name='piix4.acpi-hotplug-bridge'/>
   <version>2011090</version>
   <kvmVersion>0</kvmVersion>
   <microcodeVersion>43100289</microcodeVersion>
diff --git a/tests/qemucapabilitiesdata/caps_3.0.0.x86_64.xml b/tests/qemucapabilitiesdata/caps_3.0.0.x86_64.xml
index 5acce281b1..33daa45713 100644
--- a/tests/qemucapabilitiesdata/caps_3.0.0.x86_64.xml
+++ b/tests/qemucapabilitiesdata/caps_3.0.0.x86_64.xml
@@ -185,6 +185,7 @@
   <flag name='cpu-max'/>
   <flag name='input-linux'/>
   <flag name='virtio-blk.queue-size'/>
+  <flag name='piix4.acpi-hotplug-bridge'/>
   <version>3000000</version>
   <kvmVersion>0</kvmVersion>
   <microcodeVersion>43100239</microcodeVersion>
diff --git a/tests/qemucapabilitiesdata/caps_3.1.0.x86_64.xml b/tests/qemucapabilitiesdata/caps_3.1.0.x86_64.xml
index 92b3b10147..fcfa890be9 100644
--- a/tests/qemucapabilitiesdata/caps_3.1.0.x86_64.xml
+++ b/tests/qemucapabilitiesdata/caps_3.1.0.x86_64.xml
@@ -189,6 +189,7 @@
   <flag name='input-linux'/>
   <flag name='query-display-options'/>
   <flag name='virtio-blk.queue-size'/>
+  <flag name='piix4.acpi-hotplug-bridge'/>
   <version>3000092</version>
   <kvmVersion>0</kvmVersion>
   <microcodeVersion>43100240</microcodeVersion>
diff --git a/tests/qemucapabilitiesdata/caps_4.0.0.x86_64.xml b/tests/qemucapabilitiesdata/caps_4.0.0.x86_64.xml
index 28643ca67d..c87e3d46c0 100644
--- a/tests/qemucapabilitiesdata/caps_4.0.0.x86_64.xml
+++ b/tests/qemucapabilitiesdata/caps_4.0.0.x86_64.xml
@@ -197,6 +197,7 @@
   <flag name='input-linux'/>
   <flag name='query-display-options'/>
   <flag name='virtio-blk.queue-size'/>
+  <flag name='piix4.acpi-hotplug-bridge'/>
   <version>4000000</version>
   <kvmVersion>0</kvmVersion>
   <microcodeVersion>43100240</microcodeVersion>
diff --git a/tests/qemucapabilitiesdata/caps_4.1.0.x86_64.xml b/tests/qemucapabilitiesdata/caps_4.1.0.x86_64.xml
index 7a38f44dea..c143b16f52 100644
--- a/tests/qemucapabilitiesdata/caps_4.1.0.x86_64.xml
+++ b/tests/qemucapabilitiesdata/caps_4.1.0.x86_64.xml
@@ -204,6 +204,7 @@
   <flag name='input-linux'/>
   <flag name='query-display-options'/>
   <flag name='virtio-blk.queue-size'/>
+  <flag name='piix4.acpi-hotplug-bridge'/>
   <version>4001000</version>
   <kvmVersion>0</kvmVersion>
   <microcodeVersion>43100241</microcodeVersion>
diff --git a/tests/qemucapabilitiesdata/caps_4.2.0.x86_64.xml b/tests/qemucapabilitiesdata/caps_4.2.0.x86_64.xml
index d3dde76939..16be4bff7c 100644
--- a/tests/qemucapabilitiesdata/caps_4.2.0.x86_64.xml
+++ b/tests/qemucapabilitiesdata/caps_4.2.0.x86_64.xml
@@ -215,6 +215,7 @@
   <flag name='input-linux'/>
   <flag name='query-display-options'/>
   <flag name='virtio-blk.queue-size'/>
+  <flag name='piix4.acpi-hotplug-bridge'/>
   <version>4002000</version>
   <kvmVersion>0</kvmVersion>
   <microcodeVersion>43100242</microcodeVersion>
diff --git a/tests/qemucapabilitiesdata/caps_5.0.0.x86_64.xml b/tests/qemucapabilitiesdata/caps_5.0.0.x86_64.xml
index 3e99e52962..c571cd405d 100644
--- a/tests/qemucapabilitiesdata/caps_5.0.0.x86_64.xml
+++ b/tests/qemucapabilitiesdata/caps_5.0.0.x86_64.xml
@@ -222,6 +222,7 @@
   <flag name='input-linux'/>
   <flag name='query-display-options'/>
   <flag name='virtio-blk.queue-size'/>
+  <flag name='piix4.acpi-hotplug-bridge'/>
   <version>5000000</version>
   <kvmVersion>0</kvmVersion>
   <microcodeVersion>43100241</microcodeVersion>
diff --git a/tests/qemucapabilitiesdata/caps_5.1.0.x86_64.xml b/tests/qemucapabilitiesdata/caps_5.1.0.x86_64.xml
index 18b7897bfa..e17da3df1f 100644
--- a/tests/qemucapabilitiesdata/caps_5.1.0.x86_64.xml
+++ b/tests/qemucapabilitiesdata/caps_5.1.0.x86_64.xml
@@ -225,6 +225,7 @@
   <flag name='query-display-options'/>
   <flag name='virtio-blk.queue-size'/>
   <flag name='virtio-mem-pci'/>
+  <flag name='piix4.acpi-hotplug-bridge'/>
   <version>5001000</version>
   <kvmVersion>0</kvmVersion>
   <microcodeVersion>43100242</microcodeVersion>
diff --git a/tests/qemucapabilitiesdata/caps_5.2.0.x86_64.xml b/tests/qemucapabilitiesdata/caps_5.2.0.x86_64.xml
index 923aa240ad..4c6cc00545 100644
--- a/tests/qemucapabilitiesdata/caps_5.2.0.x86_64.xml
+++ b/tests/qemucapabilitiesdata/caps_5.2.0.x86_64.xml
@@ -227,6 +227,7 @@
   <flag name='virtio-blk.queue-size'/>
   <flag name='virtio-mem-pci'/>
   <flag name='piix4.acpi-root-pci-hotplug'/>
+  <flag name='piix4.acpi-hotplug-bridge'/>
   <flag name='query-dirty-rate'/>
   <version>5002000</version>
   <kvmVersion>0</kvmVersion>
diff --git a/tests/qemucapabilitiesdata/caps_6.0.0.x86_64.xml b/tests/qemucapabilitiesdata/caps_6.0.0.x86_64.xml
index 78ede15fb3..0f25593887 100644
--- a/tests/qemucapabilitiesdata/caps_6.0.0.x86_64.xml
+++ b/tests/qemucapabilitiesdata/caps_6.0.0.x86_64.xml
@@ -235,6 +235,7 @@
   <flag name='virtio-blk.queue-size'/>
   <flag name='virtio-mem-pci'/>
   <flag name='piix4.acpi-root-pci-hotplug'/>
+  <flag name='piix4.acpi-hotplug-bridge'/>
   <flag name='query-dirty-rate'/>
   <version>6000000</version>
   <kvmVersion>0</kvmVersion>
diff --git a/tests/qemucapabilitiesdata/caps_6.1.0.x86_64.xml b/tests/qemucapabilitiesdata/caps_6.1.0.x86_64.xml
index e60ed4705b..6f9a2b20d5 100644
--- a/tests/qemucapabilitiesdata/caps_6.1.0.x86_64.xml
+++ b/tests/qemucapabilitiesdata/caps_6.1.0.x86_64.xml
@@ -238,6 +238,7 @@
   <flag name='virtio-mem-pci'/>
   <flag name='memory-backend-file.reserve'/>
   <flag name='piix4.acpi-root-pci-hotplug'/>
+  <flag name='piix4.acpi-hotplug-bridge'/>
   <flag name='ich9.acpi-hotplug-bridge'/>
   <flag name='query-dirty-rate'/>
   <flag name='rbd-encryption'/>
diff --git a/tests/qemucapabilitiesdata/caps_6.2.0.x86_64.xml b/tests/qemucapabilitiesdata/caps_6.2.0.x86_64.xml
index 5622745347..c4e971c4b4 100644
--- a/tests/qemucapabilitiesdata/caps_6.2.0.x86_64.xml
+++ b/tests/qemucapabilitiesdata/caps_6.2.0.x86_64.xml
@@ -238,6 +238,7 @@
   <flag name='virtio-mem-pci'/>
   <flag name='memory-backend-file.reserve'/>
   <flag name='piix4.acpi-root-pci-hotplug'/>
+  <flag name='piix4.acpi-hotplug-bridge'/>
   <flag name='ich9.acpi-hotplug-bridge'/>
   <flag name='device.json'/>
   <flag name='query-dirty-rate'/>