diff --git a/dao/persondao.test.js b/dao/persondao.test.js
index 8c1978f4c15eb9c24a2939d172567f8dca79bcd9..f03abb698034bd61562eaceaa16949b46ac0a72c 100644
--- a/dao/persondao.test.js
+++ b/dao/persondao.test.js
@@ -99,7 +99,7 @@ test("Delete a person", done =>{
         expect(data.affectedRows).toBeGreaterThanOrEqual(1);
         done();
     }
-    personDao.deleteOne({id: 100},
+    personDao.deleteOne({id: 99},
         callback
     );
 });