1 files changed, 2 insertions, 0 deletions
diff --git a/vl.c b/vl.c
index 3465121217..88d24d6b12 100644
--- a/vl.c
+++ b/vl.c
@@ -3759,6 +3759,8 @@ int main(int argc, char **argv, char **envp)
                 qemu_opts_parse_noisily(olist, "usb=on", false);
                 break;
             case QEMU_OPTION_usbdevice:
+                error_report("'-usbdevice' is deprecated, please use "
+                             "'-device usb-...' instead");
                 olist = qemu_find_opts("machine");
                 qemu_opts_parse_noisily(olist, "usb=on", false);
                 add_device_config(DEV_USB, optarg);