diff --git a/intersection-observer/zero-area-element-visible.html b/intersection-observer/zero-area-element-visible.html
index 5431750485fddca..b012b65c1894b4f 100644
--- a/intersection-observer/zero-area-element-visible.html
+++ b/intersection-observer/zero-area-element-visible.html
@@ -14,9 +14,14 @@
   width: 0px;
   height: 0px;
 }
+#container {
+  overflow: clip;
+}
 </style>
 
-<div id='target'></div>
+<div id="container">
+  <div id='target'></div>
+</div>
 
 <script>
 var entries = [];