diff --git a/tests/data/cli/compare/virt-install-many-devices.xml b/tests/data/cli/compare/virt-install-many-devices.xml
index e49a073b..6e700e17 100644
--- a/tests/data/cli/compare/virt-install-many-devices.xml
+++ b/tests/data/cli/compare/virt-install-many-devices.xml
@@ -252,7 +252,7 @@
-
+
diff --git a/tests/test_cli.py b/tests/test_cli.py
index 7f8d2390..ac988d73 100644
--- a/tests/test_cli.py
+++ b/tests/test_cli.py
@@ -679,7 +679,7 @@ source.reservations.managed=no,source.reservations.source.type=unix,source.reser
--hostdev /dev/pty7,type=misc
---filesystem /source,/target,alias.name=testfsalias,driver.ats=on,driver.iommu=off
+--filesystem /source,/target,alias.name=testfsalias,driver.ats=on,driver.iommu=off,driver.packed=on
--filesystem template_name,/,type=template,mode=passthrough
--filesystem type=file,source=/tmp/somefile.img,target=/mount/point,accessmode=squash
diff --git a/virtinst/cli.py b/virtinst/cli.py
index 095b269f..11d541e6 100644
--- a/virtinst/cli.py
+++ b/virtinst/cli.py
@@ -3029,6 +3029,7 @@ def _add_common_device_args(cls,
if virtio_options:
_add_arg("driver.ats", "virtio_driver.ats", is_onoff=True)
_add_arg("driver.iommu", "virtio_driver.iommu", is_onoff=True)
+ _add_arg("driver.packed", "virtio_driver.packed", is_onoff=True)
def _add_device_seclabel_args(cls, list_propname, prefix=""):
diff --git a/virtinst/devices/device.py b/virtinst/devices/device.py
index bb91d33b..132107ef 100644
--- a/virtinst/devices/device.py
+++ b/virtinst/devices/device.py
@@ -16,6 +16,7 @@ class DeviceVirtioDriver(XMLBuilder):
XML_NAME = "driver"
ats = XMLProperty("./@ats", is_onoff=True)
iommu = XMLProperty("./@iommu", is_onoff=True)
+ packed = XMLProperty("./@packed", is_onoff=True)
class DeviceSeclabel(XMLBuilder):