diff --git a/examples/release1/model.rs b/examples/release1/model.rs
index e7a3e98b..3f7e6e36 100644
--- a/examples/release1/model.rs
+++ b/examples/release1/model.rs
@@ -151,7 +151,7 @@ fn diagram(
             (node.id, node)
         })
         .collect();
-    p.diagrams.insert(diagram_id, Diagram { id: diagram_id, alias: alias.into(), name: name.into(), description: "Teaching view: positions and filters do not change ownership or exchange identities.".into(), layer, projection, view_options: ViewOptions::default(), nodes, routes: vec![] });
+    p.diagrams.insert(diagram_id, Diagram { id: diagram_id, alias: alias.into(), name: name.into(), description: "Teaching view: positions and filters do not change ownership or exchange identities.".into(), layer, projection, view_options: ViewOptions::default(), layout: None, nodes, routes: vec![] });
     diagram_id
 }