diff --git a/tests/qemuxml2argvdata/qemuxml2argv-usb-long-port-path.args b/tests/qemuxml2argvdata/qemuxml2argv-usb-long-port-path.args
new file mode 100644
index 0000000000..d9100f6220
--- /dev/null
+++ b/tests/qemuxml2argvdata/qemuxml2argv-usb-long-port-path.args
@@ -0,0 +1,27 @@
+LC_ALL=C \
+PATH=/bin \
+HOME=/home/test \
+USER=test \
+LOGNAME=test \
+QEMU_AUDIO_DRV=none \
+/usr/bin/qemu \
+-name QEMUGuest1 \
+-S \
+-M pc \
+-m 214 \
+-smp 1 \
+-uuid c7a5fdbd-edaf-9455-926a-d65c16db1809 \
+-nographic \
+-nodefconfig \
+-nodefaults \
+-chardev socket,id=charmonitor,path=/tmp/lib/domain--1-QEMUGuest1/monitor.sock,\
+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=1.1 \
+-device usb-hub,id=hub2,bus=usb.0,port=1.1.1 \
+-device usb-hub,id=hub3,bus=usb.0,port=1.1.1.1 \
+-device virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x3
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-usb-long-port-path.xml b/tests/qemuxml2argvdata/qemuxml2argv-usb-long-port-path.xml
new file mode 100644
index 0000000000..06967b1b0f
--- /dev/null
+++ b/tests/qemuxml2argvdata/qemuxml2argv-usb-long-port-path.xml
@@ -0,0 +1,30 @@
+
+ QEMUGuest1
+ c7a5fdbd-edaf-9455-926a-d65c16db1809
+ 219136
+ 219136
+ 1
+
+ hvm
+
+
+
+ /usr/bin/qemu
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-usb-too-long-port-path-invalid.xml b/tests/qemuxml2argvdata/qemuxml2argv-usb-too-long-port-path-invalid.xml
new file mode 100644
index 0000000000..789628a0f6
--- /dev/null
+++ b/tests/qemuxml2argvdata/qemuxml2argv-usb-too-long-port-path-invalid.xml
@@ -0,0 +1,33 @@
+
+ QEMUGuest1
+ c7a5fdbd-edaf-9455-926a-d65c16db1809
+ 219136
+ 219136
+ 1
+
+ hvm
+
+
+
+ /usr/bin/qemu
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
diff --git a/tests/qemuxml2argvtest.c b/tests/qemuxml2argvtest.c
index d882f118ac..804b577757 100644
--- a/tests/qemuxml2argvtest.c
+++ b/tests/qemuxml2argvtest.c
@@ -2015,6 +2015,11 @@ mymain(void)
DO_TEST("debug-threads", QEMU_CAPS_NAME_DEBUG_THREADS);
DO_TEST("master-key", QEMU_CAPS_OBJECT_SECRET);
+ DO_TEST("usb-long-port-path", QEMU_CAPS_CHARDEV, QEMU_CAPS_NODEFCONFIG,
+ QEMU_CAPS_USB_HUB);
+ DO_TEST_PARSE_FLAGS_ERROR("usb-too-long-port-path-invalid",
+ QEMU_CAPS_CHARDEV,
+ QEMU_CAPS_NODEFCONFIG, QEMU_CAPS_USB_HUB);
DO_TEST("acpi-table", NONE);