diff --git a/tests/wpt/mozilla/meta/MANIFEST.json b/tests/wpt/mozilla/meta/MANIFEST.json
index 3cd5550686c..1449da68159 100644
--- a/tests/wpt/mozilla/meta/MANIFEST.json
+++ b/tests/wpt/mozilla/meta/MANIFEST.json
@@ -749,6 +749,12 @@
             "url": "/_mozilla/mozilla/parentnodes.html"
           }
         ],
+        "mozilla/preserve_wrapper_callback.html": [
+          {
+            "path": "mozilla/preserve_wrapper_callback.html",
+            "url": "/_mozilla/mozilla/preserve_wrapper_callback.html"
+          }
+        ],
         "mozilla/proxy_setter.html": [
           {
             "path": "mozilla/proxy_setter.html",
diff --git a/tests/wpt/mozilla/tests/mozilla/preserve_wrapper_callback.html b/tests/wpt/mozilla/tests/mozilla/preserve_wrapper_callback.html
new file mode 100644
index 00000000000..13369b98ede
--- /dev/null
+++ b/tests/wpt/mozilla/tests/mozilla/preserve_wrapper_callback.html
@@ -0,0 +1,22 @@
+<html>
+    <head>
+        <script src="/resources/testharness.js"></script>
+        <script src="/resources/testharnessreport.js"></script>
+    </head>
+    <body>
+    <input id="a">
+        <script>
+            test(function() {
+                    x = new WeakMap();
+                    x.set(document.getElementById("a"), 2);
+                    assert_equals(x.get(document.getElementById("a")), 2);
+            }, "WeakMaps with DOM objects");
+            test(function() {
+                    x = new WeakMap();
+                    y = {};
+                    x.set(y, 2);
+                    assert_equals(x.get(y), 2);
+            }, "WeakMaps with objects");
+        </script>
+    </body>
+</html>
