diff --git a/backend/api/schemas/result-schema.ts b/backend/api/schemas/result-schema.ts
index 039c0e504..f49397d91 100644
--- a/backend/api/schemas/result-schema.ts
+++ b/backend/api/schemas/result-schema.ts
@@ -24,8 +24,8 @@ const RESULT_SCHEMA = joi
       textLen: joi.number().required(),
       isWordRandom: joi.boolean().required(),
       isTimeRandom: joi.boolean().required(),
-      word: joi.number().required().allow(null),
-      time: joi.number().required().allow(null),
+      word: joi.number(),
+      time: joi.number(),
     }),
     difficulty: joi.string().valid("normal", "expert", "master").required(),
     funbox: joi.string().required(),