diff --git a/components/script/dom/node.rs b/components/script/dom/node.rs
index d13feb5193e..52591258387 100644
--- a/components/script/dom/node.rs
+++ b/components/script/dom/node.rs
@@ -1156,7 +1156,7 @@ impl Node {
 
             layout_data: LayoutDataRef::new(),
 
-            unique_id: DOMRefCell::new("".to_string()),
+            unique_id: DOMRefCell::new(String::new()),
         }
     }