diff --git a/xtask/src/main.rs b/xtask/src/main.rs
index a7a3f84ec..7b3fabe89 100644
--- a/xtask/src/main.rs
+++ b/xtask/src/main.rs
@@ -761,6 +761,7 @@ fn main() -> Result<(), Box<dyn std::error::Error>> {
 
             builder.add_loader_feature("debug-print");
             builder.add_kernel_feature("v2p");
+            builder.add_detached_app_feature("usb");
             match task.as_deref() {
                 Some("dabao") => builder.target_bao1x_soc(),
                 _ => panic!("should be unreachable"),