diff --git a/webgpu/webgl-optimization-none.html b/webgpu/webgl-optimization-none.html
index 9370f9e1..a652a359 100644
--- a/webgpu/webgl-optimization-none.html
+++ b/webgpu/webgl-optimization-none.html
@@ -45,7 +45,7 @@
   <script type="module">
 import GUI from '../3rdparty/muigui-0.x.module.js';
 import * as twgl from '../3rdparty/twgl-full.module.js';
-import {RollingAverage} from './timing-helper.js';
+import RollingAverage from './resources/js/rolling-average.js';
 
 class TimingHelper {
   #ext;