diff --git a/examples/headless/src/main.rs b/examples/headless/src/main.rs
index 0fa9c7e..ac40765 100644
--- a/examples/headless/src/main.rs
+++ b/examples/headless/src/main.rs
@@ -104,8 +104,9 @@ async fn render(mut scenes: SceneSet, index: usize, args: &Args) -> Result<()> {
         resolution: None,
         base_color: None,
         interactive: false,
+        complexity: 0,
     };
-    (example_scene.function)(&mut builder, &mut scene_params);
+    example_scene.function.render(&mut builder, &mut scene_params);
     let mut transform = Affine::IDENTITY;
     let (width, height) = if let Some(resolution) = scene_params.resolution {
         let ratio = resolution.x / resolution.y;