diff --git a/server/models/Account.js b/server/models/Account.js
index 782b5ff..716c8de 100644
--- a/server/models/Account.js
+++ b/server/models/Account.js
@@ -10,6 +10,7 @@ const instance = new mongoose.Schema(
     username: {
       type: String,
       required: true,
+      lowercase: true,
       unique: true,
     },
     password: {