diff --git a/src/config/passport.js b/src/config/passport.js
index 71bae27..c072fa3 100644
--- a/src/config/passport.js
+++ b/src/config/passport.js
@@ -24,7 +24,7 @@ async function localVerify(email, password, done) {
   let user;
   try {
     const sqlSelect =
-      'SELECT user_id, email, password, is_active FROM users WHERE email = ?';
+      'SELECT user_id, email, password, nickname, is_active FROM users WHERE email = ?';
 
     await db
       .query(sqlSelect, email)
diff --git a/src/controllers/authController.js b/src/controllers/authController.js
index ab7a274..61a8329 100644
--- a/src/controllers/authController.js
+++ b/src/controllers/authController.js
@@ -97,7 +97,7 @@ module.exports = {
           });
         }
         const token = jwt.sign(user[0].user_id, process.env.JWT_SECRET_KEY);
-        const tempNickname = getRandomNickname();
+        const tempNickname = user[0].nickname ? null : getRandomNickname();
         return res.status(StatusCode.OK).json({
           success: true,
           message: SuccessMessage.loginSuccess,
@@ -141,7 +141,7 @@ module.exports = {
       if (isVerify) {
         await User.signIn(req).then((result) => {
           const token = jwt.sign(result[0].user_id, process.env.JWT_SECRET_KEY);
-          const tempNickname = getRandomNickname();
+          const tempNickname = result[0].nickname ? null : getRandomNickname();
           return res.status(StatusCode.OK).json({
             success: true,
             message: SuccessMessage.loginSuccess,
diff --git a/src/models/user.js b/src/models/user.js
index 0a70950..83e0268 100644
--- a/src/models/user.js
+++ b/src/models/user.js
@@ -28,7 +28,7 @@ module.exports = {
     const email = req.body.email;
 
     const sqlSelect =
-      'SELECT user_id, email, push_state FROM users WHERE email = ? AND is_active = true';
+      'SELECT user_id, email, nickname, push_state FROM users WHERE email = ? AND is_active = true';
 
     const [rows] = await db.query(sqlSelect, [email]);