diff --git a/src/typings/features/board.d.ts b/src/typings/features/board.d.ts
index f5d716c..234965f 100644
--- a/src/typings/features/board.d.ts
+++ b/src/typings/features/board.d.ts
@@ -15,7 +15,7 @@ export interface BoardNode {
 
 export interface BoardData {
     nodes: BoardNode[];
-    selectedNode: string | null;
+    selectedNode: number | null;
     selectedAction: string | null;
 }
 
diff --git a/src/util/layers.ts b/src/util/layers.ts
index ff4d011..e790ee5 100644
--- a/src/util/layers.ts
+++ b/src/util/layers.ts
@@ -82,7 +82,7 @@ export function getStartingBoards(
               const nodes = boards[curr].startNodes?.() || [];
               acc[curr] = {
                   nodes: nodes.map((node, index) => ({
-                      id: index.toString(),
+                      id: index,
                       ...node
                   })),
                   selectedNode: null,