diff --git a/Directory.Packages.props b/Directory.Packages.props
index 23e75b41..0dd9728d 100644
--- a/Directory.Packages.props
+++ b/Directory.Packages.props
@@ -12,6 +12,7 @@
     <PackageVersion Include="DevExpress.Blazor" Version="25.2.5" />
     <PackageVersion Include="DevExpress.Blazor.Reporting.JSBasedControls" Version="25.2.5" />
     <PackageVersion Include="DevExpress.Blazor.Reporting.Viewer" Version="25.2.5" />
+    <PackageVersion Include="Microsoft.AspNetCore.Mvc.NewtonsoftJson" Version="8.0.23" />
     <PackageVersion Include="Microsoft.CodeAnalysis" Version="5.3.0" />
     <PackageVersion Include="Microsoft.Data.Sqlite" Version="10.0.5" />
     <PackageVersion Include="Egw.Lux.WebWindow.Base" Version="3.1.5.1509" />
diff --git a/Lux.API/Lux.API.csproj b/Lux.API/Lux.API.csproj
index 4c50e9ce..af501de5 100644
--- a/Lux.API/Lux.API.csproj
+++ b/Lux.API/Lux.API.csproj
@@ -65,6 +65,7 @@
     </ItemGroup>
 
     <ItemGroup>
+        <PackageReference Include="Microsoft.AspNetCore.Mvc.NewtonsoftJson" />
         <PackageReference Include="NLog" />
         <PackageReference Include="NLog.Targets.OpenTelemetryProtocol" />
         <PackageReference Include="NLog.Web.AspNetCore" />
diff --git a/Lux.API/Program.cs b/Lux.API/Program.cs
index 90fe23da..0c5178c9 100644
--- a/Lux.API/Program.cs
+++ b/Lux.API/Program.cs
@@ -4,7 +4,7 @@ using NLog.Targets;
 using NLog.Web;
 using OpenTelemetry.Resources;
 using OpenTelemetry.Trace;
-using System.Text.Json.Serialization;
+//using System.Text.Json.Serialization;
 
 var builder = WebApplication.CreateBuilder(args);
 // recupero env corrente
@@ -156,19 +156,19 @@ builder.Services.AddDbContextFactory<ReportContext>(options =>
         .LogTo(_ => { }); // disabilita EF logging;
 });
 
-// fix serializazzione senza loop
-builder.Services.AddControllers().AddJsonOptions(options =>
-{
-    options.JsonSerializerOptions.ReferenceHandler = ReferenceHandler.IgnoreCycles;
-});
+//// fix serializazzione senza loop
+//builder.Services.AddControllers().AddJsonOptions(options =>
+//{
+//    options.JsonSerializerOptions.ReferenceHandler = ReferenceHandler.IgnoreCycles;
+//});
 
-//// fix serializzazione con NewtonsoftJson e gestione loop...
-//builder.Services
-//    .AddControllers()
-//    .AddNewtonsoftJson(options =>
-//    {
-//        options.SerializerSettings.ReferenceLoopHandling = ReferenceLoopHandling.Ignore;
-//    });
+// fix serializzazione con NewtonsoftJson e gestione loop...
+builder.Services
+    .AddControllers()
+    .AddNewtonsoftJson(options =>
+    {
+        options.SerializerSettings.ReferenceLoopHandling = ReferenceLoopHandling.Ignore;
+    });
 
 
 // registrazione in blocco servizi con metodo extension custom