diff --git a/dom/media/test/crashtests/497734-1.xhtml b/dom/media/test/crashtests/497734-1.xhtml
new file mode 100644
index 000000000000..6df055da392a
--- /dev/null
+++ b/dom/media/test/crashtests/497734-1.xhtml
@@ -0,0 +1,21 @@
+<html xmlns="http://www.w3.org/1999/xhtml">
+<head>
+<script type="text/javascript">
+
+function boom()
+{
+
+  div = document.createElementNS("http://www.w3.org/1999/xhtml", "div");
+  div.appendChild(document.getElementById("v"));
+  document.body.appendChild(div);
+}
+
+</script>
+</head>
+
+<body onload="boom();">
+
+<video id="v"><source></source></video>
+
+</body>
+</html>
diff --git a/dom/media/test/crashtests/497734-2.html b/dom/media/test/crashtests/497734-2.html
new file mode 100644
index 000000000000..990ac4af46d5
--- /dev/null
+++ b/dom/media/test/crashtests/497734-2.html
@@ -0,0 +1,17 @@
+<!DOCTYPE html>
+<html>
+<script>
+
+function boom()
+{
+    audio1 = document.createElement("audio");
+    (audio1).appendChild(document.createElement("source"));
+    (audio1).appendChild(document.createElement("source"));
+    setTimeout(function() {
+        audio2 = document.createElement("audio");
+        audio2.appendChild(audio1);
+    }, 100);
+}
+
+</script>
+<body onload="boom();"></body>
diff --git a/dom/media/test/crashtests/crashtests.list b/dom/media/test/crashtests/crashtests.list
index 72b1ff00c5c3..bf47462f87fd 100644
--- a/dom/media/test/crashtests/crashtests.list
+++ b/dom/media/test/crashtests/crashtests.list
@@ -8,6 +8,8 @@ HTTP load 481136-1.html # needs to be HTTP to recognize the ogg as an audio file
 load 492286-1.xhtml
 load 493915-1.html
 load 495794-1.html
+load 497734-1.xhtml
+load 497734-2.html
 load 576612-1.html
 load 752784-1.html
 skip-if(Android) load 789075-1.html # bug 1374405
