diff --git a/src/qemu/qemu_driver.c b/src/qemu/qemu_driver.c
index 170c9c8ca2c008bc0ace79476de7059bf9ac7b91..0f7cbad68d71bf5a12d9d468b7b0d0c27ad38703 100644
--- a/src/qemu/qemu_driver.c
+++ b/src/qemu/qemu_driver.c
@@ -4278,6 +4278,8 @@ static int qemudDomainDetachDevice(virDomainPtr dom,
         }
         else if (dev->data.disk->bus == VIR_DOMAIN_DISK_BUS_SCSI) {
             ret = qemuDomainDetachDiskDevice(driver, vm, dev, qemuCaps);
+        } else if (dev->data.disk->bus == VIR_DOMAIN_DISK_BUS_USB) {
+            ret = qemuDomainDetachDiskDevice(driver, vm, dev, qemuCaps);
         }
         else {
             qemuReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",