diff --git a/src/entity.rs b/src/entity.rs
index ba00353..a4ba8d5 100755
--- a/src/entity.rs
+++ b/src/entity.rs
@@ -303,7 +303,7 @@ impl Entity {
                 let mut map = BTreeMap::new();
                 for (key, val) in json_map {
                     map.insert(
-                        Lang(key.to_string()),
+                        Lang(key.clone()),
                         val.as_array()
                             .ok_or(EntityError::ExpectedAliasArray)?
                             .iter()
@@ -333,7 +333,7 @@ impl Entity {
                 for (key, val) in json_map {
                     let obj = val.as_object().ok_or(EntityError::ExpectedObject)?;
                     map.insert(
-                        SiteName(key.to_string()),
+                        SiteName(key.clone()),
                         SitelinkValue {
                             title: obj
                                 .get("title")