diff --git a/src/FiscalOS.Core/Identity/RefreshToken.cs b/src/FiscalOS.Core/Identity/RefreshToken.cs
index f802ce4..3459a30 100644
--- a/src/FiscalOS.Core/Identity/RefreshToken.cs
+++ b/src/FiscalOS.Core/Identity/RefreshToken.cs
@@ -5,7 +5,7 @@ public sealed class RefreshToken : Entity
   public string Token { get; init; } = string.Empty;
   public DateTimeOffset ExpiresAt { get; init; }
   public Guid UserId { get; init; }
-  public User User { get; init; } = User.New();
+  public User User { get; init; } = null!;
 
   private RefreshToken()
   {