diff --git a/experiments/2024-12-09/src/app.rs b/experiments/2024-12-09/src/app.rs
index cc07f7526..e8f3985ac 100644
--- a/experiments/2024-12-09/src/app.rs
+++ b/experiments/2024-12-09/src/app.rs
@@ -8,10 +8,14 @@ use winit::{
     window::{Window, WindowAttributes, WindowId},
 };
 
-use crate::{geometry::OpsLog, render::Renderer, ui::OperationView};
+use crate::{
+    geometry::{AnyOp, OpsLog},
+    render::Renderer,
+    ui::OperationView,
+};
 
 pub fn run(ops: OpsLog) -> anyhow::Result<()> {
-    let mut ops = OperationView::new(ops);
+    let mut ops = OperationView::new(AnyOp::new(ops));
     ops.select_last();
 
     let event_loop = EventLoop::new()?;
diff --git a/experiments/2024-12-09/src/ui.rs b/experiments/2024-12-09/src/ui.rs
index 249fb9eb4..55f21ff0d 100644
--- a/experiments/2024-12-09/src/ui.rs
+++ b/experiments/2024-12-09/src/ui.rs
@@ -8,9 +8,9 @@ pub struct OperationView {
 }
 
 impl OperationView {
-    pub fn new(operation: impl Operation + 'static) -> Self {
+    pub fn new(operation: AnyOp) -> Self {
         Self {
-            operation: AnyOp::new(operation),
+            operation,
             selected: None,
         }
     }