1 files changed, 1 insertions, 1 deletions
diff --git a/hw/usb-bus.c b/hw/usb-bus.c
index ce8a6946ad..ee0e9e30e7 100644
--- a/hw/usb-bus.c
+++ b/hw/usb-bus.c
@@ -299,7 +299,7 @@ USBDevice *usbdevice_create(const char *cmdline)
     }
 
     if (!usb->usbdevice_init) {
-        if (params) {
+        if (*params) {
             error_report("usbdevice %s accepts no params", driver);
             return NULL;
         }