diff --git a/oauth_kakao/j_check_OTP.php b/oauth_kakao/j_check_OTP.php
index bf8b72dc..95509e36 100644
--- a/oauth_kakao/j_check_OTP.php
+++ b/oauth_kakao/j_check_OTP.php
@@ -79,7 +79,7 @@ if($OTPValue != $otp){
 }
 
 $tokenValidUntil = TimeUtil::DatetimeFromNowDay(10);
-$session->setReqOTP(false);
+$session->setReqOTP(false, $tokenValidUntil);
 RootDB::db()->update('member', [
     'oauth_info'=>Json::encode($oauthInfo),
     'token_valid_until'=>$tokenValidUntil,
diff --git a/src/sammo/Session.php b/src/sammo/Session.php
index 984e7ac3..9394252c 100644
--- a/src/sammo/Session.php
+++ b/src/sammo/Session.php
@@ -180,8 +180,9 @@ class Session
         return $this;
     }
 
-    public function setReqOTP(bool $reqOTP=false){
+    public function setReqOTP(bool $reqOTP=false, string $tokenValidUntil){
         $this->set('reqOTP', $reqOTP);
+        $this->set('tokenValidUntil', $tokenValidUntil);
     }