1 files changed, 2 insertions, 1 deletions
diff --git a/vl.c b/vl.c
index 98f6460890..842e897d75 100644
--- a/vl.c
+++ b/vl.c
@@ -974,7 +974,8 @@ static void parse_name(QemuOpts *opts)
 
 bool usb_enabled(bool default_usb)
 {
-    return qemu_opt_get_bool(qemu_get_machine_opts(), "usb", default_usb);
+    return qemu_opt_get_bool(qemu_get_machine_opts(), "usb",
+                             has_defaults && default_usb);
 }
 
 #ifndef _WIN32