diff --git a/csharp/App/GrowattCommunication/SystemConfig/S3Config.cs b/csharp/App/GrowattCommunication/SystemConfig/S3Config.cs
index 901b1d933..8b5f4c0cd 100644
--- a/csharp/App/GrowattCommunication/SystemConfig/S3Config.cs
+++ b/csharp/App/GrowattCommunication/SystemConfig/S3Config.cs
@@ -7,7 +7,6 @@ using Convert = System.Convert;
     
 namespace InnovEnergy.App.GrowattCommunication.SystemConfig;
 
-
 public record S3Config
 {
     public required String Bucket      { get; init; } 
@@ -15,10 +14,10 @@ public record S3Config
     public required String Provider    { get; init; } 
     public required String Key         { get; init; } 
     public required String Secret      { get; init; } 
-    public required String ContentType { get; init; } 
+    public required String ContentType { get; init; }
 
-    public String Host =>  $"{Bucket}.{Region}.{Provider}";
-    public String Url  =>  $"https://{Host}";
+    private String Host =>  $"{Bucket}.{Region}.{Provider}";
+    private String Url  =>  $"https://{Host}";
 
     public IFlurlRequest CreatePutRequest(String s3Path) => CreateRequest("PUT", s3Path);
     public IFlurlRequest CreateGetRequest(String s3Path) => CreateRequest("GET", s3Path);