diff --git a/html5ever/examples/noop-tree-builder.rs b/html5ever/examples/noop-tree-builder.rs
index ee09155a..f0673462 100644
--- a/html5ever/examples/noop-tree-builder.rs
+++ b/html5ever/examples/noop-tree-builder.rs
@@ -63,7 +63,7 @@ impl TreeSink for Sink {
         x == y
     }
 
-    fn elem_name(&self, target: &usize) -> ExpandedName {
+    fn elem_name(&self, target: &usize) -> ExpandedName<'_> {
         self.names
             .borrow()
             .get(target)