diff --git a/test/data/offset/boxes.html b/test/data/offset/boxes.html
index dbc7a15c0..70aa8a717 100644
--- a/test/data/offset/boxes.html
+++ b/test/data/offset/boxes.html
@@ -71,7 +71,7 @@
 		<script type="text/javascript" charset="utf-8">
 			jQuery( function() {
 				window.scrollTo( 1, 2 );
-				startIframeTest();
+				setTimeout( startIframeTest, 13 );
 			} );
 		</script>
 	</head>