diff --git a/src/qemu/qemu_command.c b/src/qemu/qemu_command.c
index e4bdb570fb8b60a13800042001ab9e7abf4d1b92..c7c183a012a7b2fec79e156e744204b3dbfce32b 100644
--- a/src/qemu/qemu_command.c
+++ b/src/qemu/qemu_command.c
@@ -1156,7 +1156,8 @@ qemuAssignDevicePCISlots(virDomainDefPtr def, qemuDomainPCIAddressSetPtr addrs)
             }
         } else if (def->controllers[i]->type == VIR_DOMAIN_CONTROLLER_TYPE_USB &&
                    def->controllers[i]->idx == 0 &&
-                   def->controllers[i]->model == VIR_DOMAIN_CONTROLLER_MODEL_USB_PIIX3_UHCI) {
+                   (def->controllers[i]->model == VIR_DOMAIN_CONTROLLER_MODEL_USB_PIIX3_UHCI ||
+                    def->controllers[i]->model == -1)) {
             if (def->controllers[i]->info.type == VIR_DOMAIN_DEVICE_ADDRESS_TYPE_PCI) {
                 if (def->controllers[i]->info.addr.pci.domain != 0 ||
                     def->controllers[i]->info.addr.pci.bus != 0 ||
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-usb-controller.args b/tests/qemuxml2argvdata/qemuxml2argv-usb-controller.args
index f21efc7d99d8422d35d8697f238946487d64b008..ff7a0809bc9e92414d3edd62bd7b16f229ee8e06 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-usb-controller.args
+++ b/tests/qemuxml2argvdata/qemuxml2argv-usb-controller.args
@@ -1 +1 @@
-LC_ALL=C PATH=/bin HOME=/home/test USER=test LOGNAME=test /usr/bin/qemu -S -M pc -m 214 -smp 1 -nographic -nodefconfig -nodefaults -chardev socket,id=charmonitor,path=/tmp/test-monitor,server,nowait -mon chardev=charmonitor,id=monitor,mode=readline -no-acpi -boot c -usb -device virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x4
+LC_ALL=C PATH=/bin HOME=/home/test USER=test LOGNAME=test /usr/bin/qemu -S -M pc -m 214 -smp 1 -nographic -nodefconfig -nodefaults -chardev socket,id=charmonitor,path=/tmp/test-monitor,server,nowait -mon chardev=charmonitor,id=monitor,mode=readline -no-acpi -boot c -usb -device virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x3
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-usb-controller.xml b/tests/qemuxml2argvdata/qemuxml2argv-usb-controller.xml
index 82b503ee37d948a4a4ab511aa070193c7b5e5d47..eb8f5ba166bad8804e5b2d01011629df72279d7a 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-usb-controller.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-usb-controller.xml
@@ -10,7 +10,9 @@
   </os>
   <devices>
     <emulator>/usr/bin/qemu</emulator>
-    <controller type='usb' index='0'/>
+    <controller type='usb' index='0'>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x01' function='0x2'/>
+    </controller>
     <memballoon model='virtio'/>
   </devices>
 </domain>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-usb-hub.args b/tests/qemuxml2argvdata/qemuxml2argv-usb-hub.args
index 4911dd429d327190acd8a209ce4ccacfaba5c529..32c4c0eba5bd6f72737d1f14dc328531f737f011 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-usb-hub.args
+++ b/tests/qemuxml2argvdata/qemuxml2argv-usb-hub.args
@@ -1 +1 @@
-LC_ALL=C PATH=/bin HOME=/home/test USER=test LOGNAME=test /usr/bin/qemu -S -M pc -m 214 -smp 1 -nographic -nodefconfig -nodefaults -chardev socket,id=charmonitor,path=/tmp/test-monitor,server,nowait -mon chardev=charmonitor,id=monitor,mode=readline -no-acpi -boot c -usb -device usb-hub,id=hub0,bus=usb.0,port=1 -device virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x4
+LC_ALL=C PATH=/bin HOME=/home/test USER=test LOGNAME=test /usr/bin/qemu -S -M pc -m 214 -smp 1 -nographic -nodefconfig -nodefaults -chardev socket,id=charmonitor,path=/tmp/test-monitor,server,nowait -mon chardev=charmonitor,id=monitor,mode=readline -no-acpi -boot c -usb -device usb-hub,id=hub0,bus=usb.0,port=1 -device virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x3
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-usb-ports.args b/tests/qemuxml2argvdata/qemuxml2argv-usb-ports.args
index 556eb4cf8cdf8fd6f9d617d1cc4ff8ab6294e17c..9c658903285bd1b62aeeece1e642f9177e6c3b3f 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-usb-ports.args
+++ b/tests/qemuxml2argvdata/qemuxml2argv-usb-ports.args
@@ -1 +1 @@
-LC_ALL=C PATH=/bin HOME=/home/test USER=test LOGNAME=test /usr/bin/qemu -S -M pc -m 214 -smp 1 -nographic -nodefconfig -nodefaults -chardev socket,id=charmonitor,path=/tmp/test-monitor,server,nowait -mon chardev=charmonitor,id=monitor,mode=readline -no-acpi -boot c -usb -device usb-hub,id=hub0,bus=usb.0,port=1 -device usb-hub,id=hub1,bus=usb.0,port=1.2 -device usb-mouse,id=input0,bus=usb.0,port=1.1 -device usb-mouse,id=input1,bus=usb.0,port=1.2.1 -device usb-mouse,id=input2,bus=usb.0,port=1.2.2 -device virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x4
+LC_ALL=C PATH=/bin HOME=/home/test USER=test LOGNAME=test /usr/bin/qemu -S -M pc -m 214 -smp 1 -nographic -nodefconfig -nodefaults -chardev socket,id=charmonitor,path=/tmp/test-monitor,server,nowait -mon chardev=charmonitor,id=monitor,mode=readline -no-acpi -boot c -usb -device usb-hub,id=hub0,bus=usb.0,port=1 -device usb-hub,id=hub1,bus=usb.0,port=1.2 -device usb-mouse,id=input0,bus=usb.0,port=1.1 -device usb-mouse,id=input1,bus=usb.0,port=1.2.1 -device usb-mouse,id=input2,bus=usb.0,port=1.2.2 -device virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x3