diff --git a/lib/index.js b/lib/index.js
index b4903fa..d4432da 100644
--- a/lib/index.js
+++ b/lib/index.js
@@ -116,6 +116,8 @@ export default (cfg) => {
         theme.writeArrayOfSimpleObjects(messager, message, options);
         return message;
       }
+      theme.writeObject(messager, message, options);
+      return message;
     }
 
     const isObj = isObject || isPlainObject;