diff --git a/types/object.test.js b/types/object.test.js
index 4e8cce8..2c9a573 100644
--- a/types/object.test.js
+++ b/types/object.test.js
@@ -24,5 +24,7 @@ describe('test validate type schema object', () => {
     }).required()
 
     throwFunc(obj.validate({ name: 'asd' }))
+
+    expect(throwFunc(obj.validate({ name: 123 }))).toThrow()
   })
 })