diff --git a/components/layout/wrapper.rs b/components/layout/wrapper.rs
index d346e97a40e..28e57417c84 100644
--- a/components/layout/wrapper.rs
+++ b/components/layout/wrapper.rs
@@ -487,7 +487,7 @@ impl<'le> ::selectors::Element for LayoutElement<'le> {
     #[inline]
     fn get_id(&self) -> Option<Atom> {
         unsafe {
-            (*self.element.unsafe_get()).get_attr_atom_for_layout(&ns!(""), &atom!("id"))
+            (*self.element.id_attribute()).clone()
         }
     }
 
diff --git a/components/script/dom/element.rs b/components/script/dom/element.rs
index 0ca9c3c3f90..bedce2ed975 100644
--- a/components/script/dom/element.rs
+++ b/components/script/dom/element.rs
@@ -494,6 +494,7 @@ pub trait LayoutElementHelpers {
     unsafe fn html_element_in_html_document_for_layout(&self) -> bool;
     #[allow(unsafe_code)]
     unsafe fn has_attr_for_layout(&self, namespace: &Namespace, name: &Atom) -> bool;
+    fn id_attribute(&self) -> *const Option<Atom>;
     fn style_attribute(&self) -> *const Option<PropertyDeclarationBlock>;
     fn local_name(&self) -> &Atom;
     fn namespace(&self) -> &Namespace;
@@ -517,6 +518,13 @@ impl LayoutElementHelpers for LayoutJS<Element> {
         get_attr_for_layout(&*self.unsafe_get(), namespace, name).is_some()
     }
 
+    #[allow(unsafe_code)]
+    fn id_attribute(&self) -> *const Option<Atom> {
+        unsafe {
+            (*self.unsafe_get()).id_attribute.borrow_for_layout()
+        }
+    }
+
     #[allow(unsafe_code)]
     fn style_attribute(&self) -> *const Option<PropertyDeclarationBlock> {
         unsafe {