diff --git a/acid-base-solutions_en.html b/acid-base-solutions_en.html
index 6b20f859..7ca4ee5c 100644
--- a/acid-base-solutions_en.html
+++ b/acid-base-solutions_en.html
@@ -91,7 +91,7 @@
     '../sherpa/lib/base64-js-1.2.0.js',
     '../sherpa/lib/TextEncoderLite-3c9f6f0.js',
     '../tandem/js/PhetioIDUtils.js',
-    '../chipper/js/SimVersion.js'
+    '../chipper/js/dual/SimVersion.js'
   ];
 
   if ( brand === 'phet-io' ) {