1 files changed, 1 insertions, 1 deletions
diff --git a/components/script/dom/documentorshadowroot.rs b/components/script/dom/documentorshadowroot.rs
index 96323156ba8..c814b75cfda 100644
--- a/components/script/dom/documentorshadowroot.rs
+++ b/components/script/dom/documentorshadowroot.rs
@@ -303,7 +303,7 @@ impl DocumentOrShadowRoot {
         root: DomRoot<Node>,
     ) {
         debug!("Adding named element {:p}: {:p} id={}", self, element, id);
-        assert!(element.upcast::<Node>().is_connected());
+        assert!(element.upcast::<Node>().is_connected_to_tree());
         assert!(!id.is_empty());
         let mut id_map = id_map.borrow_mut();
         let elements = id_map.entry(id.clone()).or_default();