diff --git a/components/script/page.rs b/components/script/page.rs
index f3d54a421ae..f2e46c165ab 100644
--- a/components/script/page.rs
+++ b/components/script/page.rs
@@ -4,8 +4,7 @@
 
 use dom::bindings::codegen::Bindings::DocumentBinding::DocumentMethods;
 use dom::bindings::codegen::InheritTypes::NodeCast;
-use dom::bindings::js::{MutNullableJS, JS, JSRef, Temporary};
-use dom::bindings::js::OptionalRootable;
+use dom::bindings::js::{JS, JSRef, Temporary, OptionalRootable};
 use dom::bindings::trace::{Traceable, Untraceable};
 use dom::bindings::utils::GlobalStaticData;
 use dom::document::{Document, DocumentHelpers};
@@ -29,14 +28,12 @@ use servo_net::resource_task::ResourceTask;
 use servo_util::str::DOMString;
 use std::cell::{Cell, RefCell, Ref, RefMut};
 use std::comm::{channel, Receiver, Empty, Disconnected};
-use std::default::Default;
 use std::mem::replace;
 use std::rc::Rc;
 use url::Url;
 
 /// Encapsulates a handle to a frame and its associated layout information.
 #[jstraceable]
-#[allow(unrooted_must_root)] // FIXME(#3543) should be must_root.
 pub struct Page {
     /// Pipeline id associated with this page.
     pub id: PipelineId,
@@ -79,7 +76,7 @@ pub struct Page {
     pub resize_event: Untraceable<Cell<Option<WindowSizeData>>>,
 
     /// Pending scroll to fragment event, if any
-    pub fragment_node: MutNullableJS<Element>,
+    pub fragment_name: RefCell<Option<String>>,
 
     /// Associated resource task for use by DOM objects like XMLHttpRequest
     pub resource_task: Untraceable<ResourceTask>,
@@ -153,7 +150,7 @@ impl Page {
             url: Untraceable::new(RefCell::new(None)),
             next_subpage_id: Traceable::new(Cell::new(SubpageId(0))),
             resize_event: Untraceable::new(Cell::new(None)),
-            fragment_node: Default::default(),
+            fragment_name: RefCell::new(None),
             last_reflow_id: Traceable::new(Cell::new(0)),
             resource_task: Untraceable::new(resource_task),
             constellation_chan: Untraceable::new(constellation_chan),
diff --git a/components/script/script_task.rs b/components/script/script_task.rs
index a8c7901bc77..7beaf95ef9c 100644
--- a/components/script/script_task.rs
+++ b/components/script/script_task.rs
@@ -12,8 +12,7 @@ use dom::bindings::codegen::InheritTypes::{EventTargetCast, NodeCast, EventCast,
 use dom::bindings::conversions;
 use dom::bindings::conversions::{FromJSValConvertible, Empty};
 use dom::bindings::global;
-use dom::bindings::js::{JS, JSRef, RootCollection, Temporary, OptionalSettable};
-use dom::bindings::js::OptionalRootable;
+use dom::bindings::js::{JS, JSRef, RootCollection, Temporary, OptionalRootable};
 use dom::bindings::trace::JSTraceable;
 use dom::bindings::utils::Reflectable;
 use dom::bindings::utils::{wrap_for_same_compartment, pre_wrap};
@@ -800,8 +799,6 @@ impl ScriptTask {
         document.deref().content_changed();
         window.flush_layout(ReflowForDisplay);
 
-        let fragment = url.fragment.as_ref().map(|ref fragment| fragment.to_string());
-
         {
             // No more reflow required
             let mut page_url = page.mut_url();
@@ -841,7 +838,7 @@ impl ScriptTask {
         let wintarget: JSRef<EventTarget> = EventTargetCast::from_ref(*window);
         let _ = wintarget.dispatch_event_with_target(Some(doctarget), *event);
 
-        page.fragment_node.assign(fragment.map_or(None, |fragid| page.find_fragment_node(fragid)));
+        *page.fragment_name.borrow_mut() = url.fragment.clone();
 
         let ConstellationChan(ref chan) = self.constellation_chan;
         chan.send(LoadCompleteMsg(page.id, url));
@@ -877,8 +874,13 @@ impl ScriptTask {
                         page.reflow(ReflowForDisplay, self.control_chan.clone(), &*self.compositor)
                     }
 
-                    let mut fragment_node = page.fragment_node.get();
-                    match fragment_node.take().map(|node| node.root()) {
+                    let fragment_node = page.fragment_name
+                                            .borrow()
+                                            .as_ref()
+                                            .and_then(|name| {
+                        page.find_fragment_node(name.clone())
+                    }).root();
+                    match fragment_node {
                         Some(node) => self.scroll_fragment_point(pipeline_id, *node),
                         None => {}
                     }