diff --git a/tests/wpt/mozilla/tests/css/canvas_over_area.html b/tests/wpt/mozilla/tests/css/canvas_over_area.html
index d7c3b3e3f78..c1e062cad68 100644
--- a/tests/wpt/mozilla/tests/css/canvas_over_area.html
+++ b/tests/wpt/mozilla/tests/css/canvas_over_area.html
@@ -1,3 +1,6 @@
+<!doctype html>
+<body>
+<link rel='match' href='canvas_over_area_ref.html'>
 <style>
 
 #base {
@@ -30,3 +33,5 @@ onload = function() {
   context.restore();
 };
 </script>
+</body>
+</html>
