diff --git a/demos/demo9/index.tsx b/demos/demo9/index.tsx
index d2d2fda..a57b570 100644
--- a/demos/demo9/index.tsx
+++ b/demos/demo9/index.tsx
@@ -46,8 +46,8 @@ export default () => {
 	[node1, node2, link1, link2].forEach((item) => {
 		item.addListener({
 			selectionChanged: (node, isSelected) => {
-				action('node', node);
-				action('isSelected', isSelected);
+				action('node')(node);
+				action('isSelected')(isSelected);
 			}
 		});
 	});