diff --git a/Hcs.WebApp/Program.cs b/Hcs.WebApp/Program.cs
index 9ffd183..9c8b213 100644
--- a/Hcs.WebApp/Program.cs
+++ b/Hcs.WebApp/Program.cs
@@ -65,11 +65,13 @@ builder.Services.AddScoped<RegistryService>();
 
 builder.Services.AddSingleton<CampaignManagementState>();
 builder.Services.AddSingleton<OperationExecutionState>();
+builder.Services.AddSingleton<ResultWaitState>();
 builder.Services.AddSingleton<ManagerFactory>();
 builder.Services.AddSingleton<ExecutorFactory>();
 
 builder.Services.AddHostedService<CampaignManagementService>();
 builder.Services.AddHostedService<OperationExecutionService>();
+builder.Services.AddHostedService<ResultWaitService>();
 
 var activator = new RadzenComponentActivator();
 activator.Override(typeof(RadzenDataGrid<>), typeof(LocalizedRadzenDataGrid<>));