diff --git a/components/script/devtools.rs b/components/script/devtools.rs
index 9abeb5cf988..087930042e6 100644
--- a/components/script/devtools.rs
+++ b/components/script/devtools.rs
@@ -103,7 +103,7 @@ fn find_node_by_unique_id(
     documents.find_document(pipeline).and_then(|document| {
         document
             .upcast::<Node>()
-            .traverse_preorder(ShadowIncluding::No)
+            .traverse_preorder(ShadowIncluding::Yes)
             .find(|candidate| candidate.unique_id() == node_id)
     })
 }