diff --git a/csharp/App/Backend/Controller.cs b/csharp/App/Backend/Controller.cs
index 519684547..788f94869 100644
--- a/csharp/App/Backend/Controller.cs
+++ b/csharp/App/Backend/Controller.cs
@@ -16,7 +16,7 @@ public class Controller : ControllerBase
     [HttpPost(nameof(Login))]
     public ActionResult<Session> Login(String username, String? password)
     {
-        var user = Db.GetUserByName(username);
+        var user = Db.GetUserByEmail(username);
 
         if (user is null)
         {
diff --git a/csharp/App/Backend/DataTypes/Methods/User.cs b/csharp/App/Backend/DataTypes/Methods/User.cs
index 2ce43c2e9..ac2f09b8e 100644
--- a/csharp/App/Backend/DataTypes/Methods/User.cs
+++ b/csharp/App/Backend/DataTypes/Methods/User.cs
@@ -93,7 +93,7 @@ public static class UserMethods
 
     public static Boolean VerifyPassword(this User user, String password)
     {
-       return  Db.GetUserByName(user.Name)?.Password == user.SaltAndHashPassword(password);
+       return  Db.GetUserByEmail(user.Name)?.Password == user.SaltAndHashPassword(password);
     }
     
     
diff --git a/csharp/App/Backend/Database/Read.cs b/csharp/App/Backend/Database/Read.cs
index 5d4341d0b..dcaa0e90d 100644
--- a/csharp/App/Backend/Database/Read.cs
+++ b/csharp/App/Backend/Database/Read.cs
@@ -26,10 +26,10 @@ public static partial class Db
             .FirstOrDefault(u => u.Id == id);
     }
     
-    public static User? GetUserByName(String userName)
+    public static User? GetUserByEmail(String userName)
     {
         return Users
-            .FirstOrDefault(u => u.Name == userName);
+            .FirstOrDefault(u => u.Email == userName);
     }
 
     public static Session? GetSession(String token)