diff --git a/tests/cli-test-xml/compare/virt-install-many-devices.xml b/tests/cli-test-xml/compare/virt-install-many-devices.xml
index 121fc86e5..cfedeef26 100644
--- a/tests/cli-test-xml/compare/virt-install-many-devices.xml
+++ b/tests/cli-test-xml/compare/virt-install-many-devices.xml
@@ -233,7 +233,7 @@
-
+
diff --git a/tests/clitest.py b/tests/clitest.py
index 4c67c1907..7af7b9473 100644
--- a/tests/clitest.py
+++ b/tests/clitest.py
@@ -622,7 +622,7 @@ source.reservations.managed=no,source.reservations.source.type=unix,source.reser
--controller usb,model=ich9-uhci1,address=0:0:4.0,index=0,master=0,address.multifunction=on
--controller usb,model=ich9-uhci2,address=0:0:4.1,index=0,master.startport=2
--controller usb,model=ich9-uhci3,address=0:0:4.2,index=0,master=4
---controller scsi,,model=virtio-scsi,driver_queues=4,driver.queues=4
+--controller scsi,,model=virtio-scsi,driver_queues=4,driver.queues=4,driver.iothread=2
--controller xenbus,maxGrantFrames=64
--input type=keyboard,bus=usb
diff --git a/virtinst/cli.py b/virtinst/cli.py
index f9660f89a..c89440eae 100644
--- a/virtinst/cli.py
+++ b/virtinst/cli.py
@@ -3429,6 +3429,7 @@ class ParserController(VirtCLIParser):
cls.add_arg("index", "index")
cls.add_arg("maxGrantFrames", "maxGrantFrames")
cls.add_arg("master.startport", "master_startport")
+ cls.add_arg("driver.iothread", "driver_iothread")
cls.add_arg("driver.queues", "driver_queues")
cls.add_arg("address", None, lookup_cb=None, cb=cls.set_address_cb)
diff --git a/virtinst/devices/controller.py b/virtinst/devices/controller.py
index 5f4949cec..114d8b395 100644
--- a/virtinst/devices/controller.py
+++ b/virtinst/devices/controller.py
@@ -70,12 +70,14 @@ class DeviceController(Device):
model = XMLProperty("./@model")
vectors = XMLProperty("./@vectors", is_int=True)
ports = XMLProperty("./@ports", is_int=True)
- master_startport = XMLProperty("./master/@startport", is_int=True)
- driver_queues = XMLProperty("./driver/@queues", is_int=True)
maxGrantFrames = XMLProperty("./@maxGrantFrames", is_int=True)
-
index = XMLProperty("./@index", is_int=True)
+ driver_iothread = XMLProperty("./driver/@iothread", is_int=True)
+ driver_queues = XMLProperty("./driver/@queues", is_int=True)
+
+ master_startport = XMLProperty("./master/@startport", is_int=True)
+
##################
# Default config #