diff --git a/test/unit/styling-scoped.html b/test/unit/styling-scoped.html
index afc67a5bf3..1b61e10768 100644
--- a/test/unit/styling-scoped.html
+++ b/test/unit/styling-scoped.html
@@ -332,6 +332,7 @@
   test('ShadowRoot-wide selectors', function() {
     var e = document.createElement('root-styles');
     document.body.appendChild(e);
+    CustomElements.takeRecords();
     // :root
     assertComputed(e.$.child, 'rgb(123, 123, 123)', 'color');
     // :host > *