diff --git a/src/qemu/qemu_conf.c b/src/qemu/qemu_conf.c
index 00e89a1ac4..5bd3d4c7b7 100644
--- a/src/qemu/qemu_conf.c
+++ b/src/qemu/qemu_conf.c
@@ -3266,7 +3266,7 @@ qemuBuildUSBHostdevDevStr(virDomainHostdevDefPtr dev)
         return NULL;
     }
 
-    if (virAsprintf(&ret, "usb-host,hostbus=%.3d,hostaddr=%.3d,id=%s",
+    if (virAsprintf(&ret, "usb-host,hostbus=%d,hostaddr=%d,id=%s",
                     dev->source.subsys.u.usb.bus,
                     dev->source.subsys.u.usb.device,
                     dev->info.alias) < 0)
@@ -3288,7 +3288,7 @@ qemuBuildUSBHostdevUsbDevStr(virDomainHostdevDefPtr dev)
         return NULL;
     }
 
-    if (virAsprintf(&ret, "host:%.3d.%.3d",
+    if (virAsprintf(&ret, "host:%d.%d",
                     dev->source.subsys.u.usb.bus,
                     dev->source.subsys.u.usb.device) < 0)
         virReportOOMError();
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-hostdev-usb-address-device.args b/tests/qemuxml2argvdata/qemuxml2argv-hostdev-usb-address-device.args
index 6900fd3637..7e425420ee 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-hostdev-usb-address-device.args
+++ b/tests/qemuxml2argvdata/qemuxml2argv-hostdev-usb-address-device.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 -monitor unix:/tmp/test-monitor,server,nowait -no-acpi -boot c -hda /dev/HostVG/QEMUGuest1 -usb -device usb-host,hostbus=014,hostaddr=006,id=hostdev0 -device virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x2
+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 -monitor unix:/tmp/test-monitor,server,nowait -no-acpi -boot c -hda /dev/HostVG/QEMUGuest1 -usb -device usb-host,hostbus=14,hostaddr=6,id=hostdev0 -device virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x2
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-hostdev-usb-address.args b/tests/qemuxml2argvdata/qemuxml2argv-hostdev-usb-address.args
index e57bec1ff2..96e004db6a 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-hostdev-usb-address.args
+++ b/tests/qemuxml2argvdata/qemuxml2argv-hostdev-usb-address.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 -monitor unix:/tmp/test-monitor,server,nowait -no-acpi -boot c -hda /dev/HostVG/QEMUGuest1 -net none -serial none -parallel none -usb -usbdevice host:014.006
+LC_ALL=C PATH=/bin HOME=/home/test USER=test LOGNAME=test /usr/bin/qemu -S -M pc -m 214 -smp 1 -nographic -monitor unix:/tmp/test-monitor,server,nowait -no-acpi -boot c -hda /dev/HostVG/QEMUGuest1 -net none -serial none -parallel none -usb -usbdevice host:14.6