diff --git a/js/tests/visual/scrollspy.html b/js/tests/visual/scrollspy.html
index c0c3dc7491..0f115e0354 100644
--- a/js/tests/visual/scrollspy.html
+++ b/js/tests/visual/scrollspy.html
@@ -87,6 +87,7 @@
     </div>
 
     <script src="../../../docs/assets/js/vendor/jquery-slim.min.js"></script>
+    <script src="../../../docs/assets/js/vendor/popper.min.js"></script>
     <script src="../../dist/util.js"></script>
     <script src="../../dist/scrollspy.js"></script>
     <script src="../../dist/dropdown.js"></script>