diff --git a/dom/tests/mochitest/general/497633.html b/dom/tests/mochitest/general/497633.html
index ab65fb7e34ba..da011f54c812 100644
--- a/dom/tests/mochitest/general/497633.html
+++ b/dom/tests/mochitest/general/497633.html
@@ -18,7 +18,18 @@ setTimeout(function() {
}
-
+