diff --git a/components/plugins/jstraceable.rs b/components/plugins/jstraceable.rs
index 9bc9ead6299..609f3e51481 100644
--- a/components/plugins/jstraceable.rs
+++ b/components/plugins/jstraceable.rs
@@ -14,6 +14,7 @@ pub fn expand_dom_struct(cx: &mut ExtCtxt, sp: Span, _: &MetaItem, anno: Annotat
         item2.attrs.push(quote_attr!(cx, #[repr(C)]));
         item2.attrs.push(quote_attr!(cx, #[derive(JSTraceable)]));
         item2.attrs.push(quote_attr!(cx, #[derive(HeapSizeOf)]));
+        item2.attrs.push(quote_attr!(cx, #[derive(DenyPublicFields)]));
         item2.attrs.push(quote_attr!(cx, #[derive(DomObject)]));
         // #[dom_struct] gets consumed, so this lets us keep around a residue
         // Do NOT register a modifier/decorator on this attribute