diff --git a/tests/data/cli/compare/virt-install-many-devices.xml b/tests/data/cli/compare/virt-install-many-devices.xml
index be4ebfbc2..941f9e488 100644
--- a/tests/data/cli/compare/virt-install-many-devices.xml
+++ b/tests/data/cli/compare/virt-install-many-devices.xml
@@ -258,7 +258,7 @@
       <master startport="4"/>
       <address type="pci" domain="0" bus="0" slot="4" function="2"/>
     </controller>
-    <controller type="scsi" model="virtio-scsi">
+    <controller type="scsi" model="virtio-scsi" vectors="15">
       <driver queues="4" iothread="2"/>
     </controller>
     <controller type="xenbus" maxGrantFrames="64"/>
diff --git a/tests/test_cli.py b/tests/test_cli.py
index 50b4a28b6..70a7bd4a0 100644
--- a/tests/test_cli.py
+++ b/tests/test_cli.py
@@ -648,7 +648,7 @@ 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,driver.iothread=2
+--controller scsi,,model=virtio-scsi,driver_queues=4,driver.queues=4,driver.iothread=2,vectors=15
 --controller xenbus,maxGrantFrames=64
 
 --input type=keyboard,bus=usb
diff --git a/virtinst/cli.py b/virtinst/cli.py
index 91f40f314..cae830dfb 100644
--- a/virtinst/cli.py
+++ b/virtinst/cli.py
@@ -3745,6 +3745,7 @@ class ParserController(VirtCLIParser):
         cls.add_arg("model", "model")
         cls.add_arg("index", "index")
         cls.add_arg("maxGrantFrames", "maxGrantFrames")
+        cls.add_arg("vectors", "vectors")
         cls.add_arg("master.startport", "master_startport")
         cls.add_arg("driver.iothread", "driver_iothread")
         cls.add_arg("driver.queues", "driver_queues")