diff --git a/migrations/20200213223053-create-user.js b/migrations/20200213223053-create-user.js
index 7b6d2cb..edd758f 100644
--- a/migrations/20200213223053-create-user.js
+++ b/migrations/20200213223053-create-user.js
@@ -15,8 +15,7 @@ module.exports = {
       },
       email: {
         type: Sequelize.STRING,
-        allowNull: false,
-        unique: true
+        allowNull: false
       },
       avatar: {
         type: Sequelize.STRING
diff --git a/routes/users.js b/routes/users.js
index e4eda5b..286d6b8 100644
--- a/routes/users.js
+++ b/routes/users.js
@@ -62,14 +62,14 @@ router.post('/', async (req, res, next) => {
 
   const existing = await User.findOne({
     where: {
-      email: req.body.email
+      username: req.body.username
     }
   })
 
   if (existing) {
     return res.status(400).json({
       status: 'error',
-      result: 'email_exists'
+      result: 'username_exists'
     })
   }