diff --git a/src/qemu/qemu_capabilities.c b/src/qemu/qemu_capabilities.c
index fde27010e4..20a1a0c201 100644
--- a/src/qemu/qemu_capabilities.c
+++ b/src/qemu/qemu_capabilities.c
@@ -515,6 +515,7 @@ VIR_ENUM_IMPL(virQEMUCaps, QEMU_CAPS_LAST,
               /* 320 */
               "memory-backend-memfd.hugetlb",
               "iothread.poll-max-ns",
+              "machine.pseries.cap-nested-hv",
     );
 
 
@@ -1372,6 +1373,7 @@ static struct virQEMUCapsStringFlags virQEMUCapsObjectPropsMemoryBackendMemfd[]
 static struct virQEMUCapsStringFlags virQEMUCapsObjectPropsSPAPRMachine[] = {
     { "cap-hpt-max-page-size", QEMU_CAPS_MACHINE_PSERIES_CAP_HPT_MAX_PAGE_SIZE },
     { "cap-htm", QEMU_CAPS_MACHINE_PSERIES_CAP_HTM },
+    { "cap-nested-hv", QEMU_CAPS_MACHINE_PSERIES_CAP_NESTED_HV },
 };
 
 static virQEMUCapsObjectTypeProps virQEMUCapsObjectProps[] = {
diff --git a/src/qemu/qemu_capabilities.h b/src/qemu/qemu_capabilities.h
index c2caaf6fe1..b1990b6bb8 100644
--- a/src/qemu/qemu_capabilities.h
+++ b/src/qemu/qemu_capabilities.h
@@ -499,6 +499,7 @@ typedef enum { /* virQEMUCapsFlags grouping marker for syntax-check */
     /* 320 */
     QEMU_CAPS_OBJECT_MEMORY_MEMFD_HUGETLB, /* -object memory-backend-memfd.hugetlb */
     QEMU_CAPS_IOTHREAD_POLLING, /* -object iothread.poll-max-ns */
+    QEMU_CAPS_MACHINE_PSERIES_CAP_NESTED_HV, /* -machine pseries.cap-nested-hv */
 
     QEMU_CAPS_LAST /* this must always be the last item */
 } virQEMUCapsFlags;
diff --git a/tests/qemucapabilitiesdata/caps_3.1.0.ppc64.xml b/tests/qemucapabilitiesdata/caps_3.1.0.ppc64.xml
index e3e1b6b281..b06b17316a 100644
--- a/tests/qemucapabilitiesdata/caps_3.1.0.ppc64.xml
+++ b/tests/qemucapabilitiesdata/caps_3.1.0.ppc64.xml
@@ -165,6 +165,7 @@
   <flag name='memory-backend-memfd'/>
   <flag name='memory-backend-memfd.hugetlb'/>
   <flag name='iothread.poll-max-ns'/>
+  <flag name='machine.pseries.cap-nested-hv'/>
   <version>3000091</version>
   <kvmVersion>0</kvmVersion>
   <microcodeVersion>437731</microcodeVersion>
diff --git a/tests/qemuxml2argvtest.c b/tests/qemuxml2argvtest.c
index 95429b3ae7..eae2b7edf7 100644
--- a/tests/qemuxml2argvtest.c
+++ b/tests/qemuxml2argvtest.c
@@ -1981,6 +1981,7 @@ mymain(void)
             QEMU_CAPS_DEVICE_SPAPR_PCI_HOST_BRIDGE,
             QEMU_CAPS_MACHINE_PSERIES_CAP_HPT_MAX_PAGE_SIZE,
             QEMU_CAPS_MACHINE_PSERIES_CAP_HTM,
+            QEMU_CAPS_MACHINE_PSERIES_CAP_NESTED_HV,
             QEMU_CAPS_MACHINE_PSERIES_RESIZE_HPT);
     DO_TEST_FAILURE("pseries-features",
                     QEMU_CAPS_DEVICE_SPAPR_PCI_HOST_BRIDGE);
diff --git a/tests/qemuxml2xmltest.c b/tests/qemuxml2xmltest.c
index 4d1a3610ef..2527497675 100644
--- a/tests/qemuxml2xmltest.c
+++ b/tests/qemuxml2xmltest.c
@@ -621,6 +621,7 @@ mymain(void)
             QEMU_CAPS_DEVICE_SPAPR_PCI_HOST_BRIDGE,
             QEMU_CAPS_MACHINE_PSERIES_CAP_HPT_MAX_PAGE_SIZE,
             QEMU_CAPS_MACHINE_PSERIES_CAP_HTM,
+            QEMU_CAPS_MACHINE_PSERIES_CAP_NESTED_HV,
             QEMU_CAPS_MACHINE_PSERIES_RESIZE_HPT);
 
     DO_TEST("pseries-serial-native",