diff --git a/packages/d3-state-visualizer/src/charts/tree/tree.ts b/packages/d3-state-visualizer/src/charts/tree/tree.ts
index 40445e5d..2e7f81d2 100644
--- a/packages/d3-state-visualizer/src/charts/tree/tree.ts
+++ b/packages/d3-state-visualizer/src/charts/tree/tree.ts
@@ -175,7 +175,7 @@ const defaultOptions: Options = {
 
 export interface Node {
   name: string;
-  children?: Node[] | null;
+  children?: this[] | null;
   value?: unknown;
 }