diff --git a/tests/multi_playground.html b/tests/multi_playground.html
index 8177a87db..c6f841e88 100644
--- a/tests/multi_playground.html
+++ b/tests/multi_playground.html
@@ -13,6 +13,7 @@
 <script src="../blocks/colour.js"></script>
 <script src="../blocks/variables.js"></script>
 <script src="../blocks/procedures.js"></script>
+<script src="../style/classic.js"></script>
 <script>
 'use strict';
 var options = {
@@ -56,6 +57,7 @@ function start() {
 
   startBlocklyInstance('HorizontalEndLTR', false, true, 'end', toolbox);
   startBlocklyInstance('HorizontalEndRTL', true, true, 'end', toolbox);
+  Blockly.setStyle(Blockly.Styles.Classic);
 }
 
 function startBlocklyInstance(suffix, rtl, horizontalLayout, position,