diff --git a/components/script/dom/document.rs b/components/script/dom/document.rs
index 0057ab0bcf7..d60545e159b 100644
--- a/components/script/dom/document.rs
+++ b/components/script/dom/document.rs
@@ -957,9 +957,10 @@ impl<'a> DocumentHelpers<'a> for &'a Document {
         let window = window.r();
         let performance = window.Performance();
         let performance = performance.r();
+        let timing = performance.Now();
 
         for (_, callback) in animation_frame_list {
-            callback(*performance.Now());
+            callback(*timing);
         }
 
         window.reflow(ReflowGoal::ForDisplay,
diff --git a/tests/wpt/metadata/MANIFEST.json b/tests/wpt/metadata/MANIFEST.json
index 4d42cd9f091..743b76965e3 100644
--- a/tests/wpt/metadata/MANIFEST.json
+++ b/tests/wpt/metadata/MANIFEST.json
@@ -28877,6 +28877,12 @@
             "path": "2dcontext/fill-and-stroke-styles/2d.fillStyle.parse.hex8.html",
             "url": "/2dcontext/fill-and-stroke-styles/2d.fillStyle.parse.hex8.html"
           }
+        ],
+        "animation-timing/same-dispatch-time.html": [
+          {
+            "path": "animation-timing/same-dispatch-time.html",
+            "url": "/animation-timing/same-dispatch-time.html"
+          }
         ]
       }
     },
diff --git a/tests/wpt/mozilla/meta/MANIFEST.json b/tests/wpt/mozilla/meta/MANIFEST.json
index 20cbfefdf8b..c723119186e 100644
--- a/tests/wpt/mozilla/meta/MANIFEST.json
+++ b/tests/wpt/mozilla/meta/MANIFEST.json
@@ -1016,4 +1016,4 @@
   "rev": null,
   "url_base": "/_mozilla/",
   "version": 2
-}
+}
\ No newline at end of file
diff --git a/tests/wpt/web-platform-tests/animation-timing/same-dispatch-time.html b/tests/wpt/web-platform-tests/animation-timing/same-dispatch-time.html
new file mode 100644
index 00000000000..e92eb61e993
--- /dev/null
+++ b/tests/wpt/web-platform-tests/animation-timing/same-dispatch-time.html
@@ -0,0 +1,31 @@
+<!doctype html>
+<html>
+  <head>
+    <title>requestAnimationFrame in queue get the same timestamp</title>
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <link rel="help" href="http://w3c.github.io/animation-timing/#dfn-invoke-callbacks-algorithm"/>
+  </head>
+  <body>
+    <div id="log"></div>
+    <script>
+      test(function (t) {
+        var a = 0, b = 0;
+
+        /* REASONING:
+        * These two methods that will be called with a timestamp. Because
+        * they execute right after eachother, they're added to the same
+        * queue and SHOULD be timestamped with the same value.
+        */
+        window.requestAnimationFrame(function() { a = arguments[0]; });
+        window.requestAnimationFrame(function() { b = arguments[0]; });
+
+        setTimeout(function() {
+            assert_true(a != 0);
+            assert_true(b != 0);
+            assert_true(a == b);
+        }, 100);
+      }, "requestAnimationFrame will timestamp events in the same queue with the same time");
+    </script>
+  </body>
+</html>
