diff --git a/src/engine/Math/Graph.ts b/src/engine/Math/Graph.ts
index 18175a42..8864ecaf 100644
--- a/src/engine/Math/Graph.ts
+++ b/src/engine/Math/Graph.ts
@@ -792,12 +792,13 @@ export class PositionNode<T> extends Node<T> {
 export type Vertex<T> = Node<T>;
 
 class GraphUUId {
+  static rng: Random = new Random();
+
   static generateUUID(): G_UUID {
-    const rng = new Random();
     const uuid = 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx';
 
     const generatedUuid = uuid.replace(/[xy]/g, function (c) {
-      const r = (rng.nextInt() * 16) | 0;
+      const r = (GraphUUId.rng.next() * 16) | 0;
       const v = c === 'x' ? r : (r & 0x3) | 0x8;
       return v.toString(16);
     });
diff --git a/src/spec/GraphSpec.ts b/src/spec/GraphSpec.ts
index 57d47218..858fe9ec 100644
--- a/src/spec/GraphSpec.ts
+++ b/src/spec/GraphSpec.ts
@@ -1,6 +1,6 @@
 import * as ex from '@excalibur';
 
-fdescribe('A Graph', () => {
+describe('A Graph', () => {
   let graph: ex.Graph<string>;
 
   beforeEach(() => {