diff --git a/index.ts b/index.ts
index 5ef5a14..33bfdcf 100644
--- a/index.ts
+++ b/index.ts
@@ -172,7 +172,7 @@ export function deserialize<T extends IGenericObject>(Clazz: {new(): T}, json: I
     /**
      * init root class to contain json
      */
-    let instance = new Clazz();
+    let instance = {};
 
     Object.keys(instance).forEach((key: string) => {
         /**
@@ -191,7 +191,7 @@ export function deserialize<T extends IGenericObject>(Clazz: {new(): T}, json: I
 
     });
 
-    return instance;
+    return <T>instance;
 }
 
 /**