diff --git a/test/test.html b/test/test.html
index cb26b0d..c2814fd 100644
--- a/test/test.html
+++ b/test/test.html
@@ -44,7 +44,7 @@
 	<h3>iFrame Test 3 - violating SOP</h3>
 	<img class="display"><br>
 	Hash: <span class="hash"></span> (isPointInPath: <span class="isPointInPath"></span>)
-	<iframe src="http://example.org" style="display:none"></iframe>
+	<iframe src="//example.org" style="display:none"></iframe>
 	<button>refresh</button>
 </div>
 <div id="iframe4">