diff --git a/MP-TAB-SERV/Program.cs b/MP-TAB-SERV/Program.cs
index 9df10682..182e10ff 100644
--- a/MP-TAB-SERV/Program.cs
+++ b/MP-TAB-SERV/Program.cs
@@ -27,6 +27,7 @@ builder.Services.AddSingleton<StatusData>();
 builder.Services.AddSingleton<ListSelectDataSrv>();
 builder.Services.AddSingleton<OrderDataSrv>();
 builder.Services.AddSingleton<SharedMemService>();
+builder.Services.AddSingleton<TabDataService>();
 builder.Services.AddScoped<MessageService>();
 builder.Services.AddBlazoredLocalStorage();
 builder.Services.AddBlazoredSessionStorage();