diff --git a/rtiow/tracer/src/main.rs b/rtiow/tracer/src/main.rs
index 52a3fcc..f68d499 100644
--- a/rtiow/tracer/src/main.rs
+++ b/rtiow/tracer/src/main.rs
@@ -46,7 +46,7 @@ fn main() -> Result<(), std::io::Error> {
         eprintln!("--model should be one of {:?}", Model::VARIANTS);
         return Ok(());
     }
-    info!("{:?}", opt);
+    info!("{:#?}", opt);
     let scene = opt.model.as_ref().unwrap().scene(&opt);
     fs::create_dir_all(&opt.output)?;
     if opt.pprof.is_some() && !cfg!(feature = "profile") {