diff --git a/hw/usb/u2f-passthru.c b/hw/usb/u2f-passthru.c
index ae00e93f3507..fc93429c9c01 100644
--- a/hw/usb/u2f-passthru.c
+++ b/hw/usb/u2f-passthru.c
@@ -534,6 +534,7 @@ static void u2f_passthru_class_init(ObjectClass *klass, void *data)
     dc->desc = "QEMU U2F passthrough key";
     dc->vmsd = &u2f_passthru_vmstate;
     device_class_set_props(dc, u2f_passthru_properties);
+    set_bit(DEVICE_CATEGORY_MISC, dc->categories);
 }
 
 static const TypeInfo u2f_key_passthru_info = {