diff --git a/tests/cases/iframe.html b/tests/cases/iframe.html
index 9431c39..2e7cedf 100644
--- a/tests/cases/iframe.html
+++ b/tests/cases/iframe.html
@@ -5,6 +5,6 @@
     <script type="text/javascript" src="../test.js"></script>
 </head>
 <body>
-<iframe src="http://google.com" width="500"></iframe>
+<iframe src="http://experiments.hertzen.com/csstree/" width="500"></iframe>
 </body>
 </html>
\ No newline at end of file
