diff --git a/components/tree/Tree.tsx b/components/tree/Tree.tsx
index aa3da79642..c334bfb822 100644
--- a/components/tree/Tree.tsx
+++ b/components/tree/Tree.tsx
@@ -37,6 +37,8 @@ export interface AntTreeNodeProps {
   selectable?: boolean;
   icon?: ((treeNode: AntdTreeNodeAttribute) => React.ReactNode) | React.ReactNode;
   children?: React.ReactNode;
+
+  [customProp: string]: any;
 }
 
 export interface AntTreeNode extends React.Component<AntTreeNodeProps, {}> { }