diff --git a/lib/react-ui-tree.js b/lib/react-ui-tree.js
index 1c3c4154..07f64e46 100644
--- a/lib/react-ui-tree.js
+++ b/lib/react-ui-tree.js
@@ -231,6 +231,7 @@ class UITree extends Component {
     const node = index.node;
     node.collapsed = !node.collapsed;
     tree.updateNodesPosition();
+    if (typeof tree.changeNodeCollapsed === "function") tree.changeNodeCollapsed(node);
 
     this.setState({
       tree: tree