diff --git a/src/qemu/qemu_capabilities.c b/src/qemu/qemu_capabilities.c
index ac135aa301..7d0cb2caaa 100644
--- a/src/qemu/qemu_capabilities.c
+++ b/src/qemu/qemu_capabilities.c
@@ -718,6 +718,7 @@ VIR_ENUM_IMPL(virQEMUCaps,
 
               /* 465 */
               "snapshot-internal-qmp", /* QEMU_CAPS_SNAPSHOT_INTERNAL_QMP */
+              "chardev-reconnect-miliseconds", /* QEMU_CAPS_CHARDEV_RECONNECT_MILISECONDS */
     );
 
 
@@ -1559,6 +1560,7 @@ static struct virQEMUCapsStringFlags virQEMUCapsQMPSchemaQueries[] = {
     { "blockdev-add/arg-type/+virtio-blk-vhost-vdpa/$fdset", QEMU_CAPS_DEVICE_VIRTIO_BLK_VHOST_VDPA},
     { "blockdev-snapshot/$allow-write-only-overlay", QEMU_CAPS_BLOCKDEV_SNAPSHOT_ALLOW_WRITE_ONLY },
     { "chardev-add/arg-type/backend/+socket/data/reconnect", QEMU_CAPS_CHARDEV_RECONNECT },
+    { "chardev-add/arg-type/backend/+socket/data/reconnect-ms", QEMU_CAPS_CHARDEV_RECONNECT_MILISECONDS },
     { "device_add/$json-cli-hotplug", QEMU_CAPS_DEVICE_JSON },
     { "migrate-set-parameters/arg-type/block-bitmap-mapping/bitmaps/transform", QEMU_CAPS_MIGRATION_PARAM_BLOCK_BITMAP_MAPPING },
     { "nbd-server-start/arg-type/tls-creds", QEMU_CAPS_NBD_TLS },
diff --git a/src/qemu/qemu_capabilities.h b/src/qemu/qemu_capabilities.h
index 091de8999d..284b07b64e 100644
--- a/src/qemu/qemu_capabilities.h
+++ b/src/qemu/qemu_capabilities.h
@@ -697,6 +697,7 @@ typedef enum { /* virQEMUCapsFlags grouping marker for syntax-check */
 
     /* 465 */
     QEMU_CAPS_SNAPSHOT_INTERNAL_QMP, /* internal snapshot support via QMP commands 'snapshot-save'/'snapshot-delete' */
+    QEMU_CAPS_CHARDEV_RECONNECT_MILISECONDS, /* 'reconnect-ms' option for chardevs supported */
 
     QEMU_CAPS_LAST /* this must always be the last item */
 } virQEMUCapsFlags;