diff --git a/src/items.rs b/src/items.rs
index 042aa81f3ce4..13450ea0f45e 100644
--- a/src/items.rs
+++ b/src/items.rs
@@ -546,7 +546,7 @@ impl<'a> FmtVisitor<'a> {
                 // 1 = ','
                 rewrite_assign_rhs(&context, lhs, expr, shape.sub_width(1)?)?
             } else {
-                String::from(field.node.name.to_string())
+                field.node.name.to_string()
             },
         };