diff --git a/WorkFlow.API/Program.cs b/WorkFlow.API/Program.cs
index 49a1e42..cd50234 100644
--- a/WorkFlow.API/Program.cs
+++ b/WorkFlow.API/Program.cs
@@ -3,6 +3,7 @@ using DigitalData.UserManager.Application;
 using Microsoft.EntityFrameworkCore;
 using WorkFlow.Infrastructure;
 using Microsoft.AspNetCore.Authentication.Cookies;
+using DigitalData.Core.API;
 
 var builder = WebApplication.CreateBuilder(args);
 var config = builder.Configuration;
@@ -11,6 +12,7 @@ var config = builder.Configuration;
 var cnn_str = config.GetConnectionString("Default") ?? throw new ("Default connection string not found.");
 builder.Services.AddDbContext<WFDBContext>(options => options.UseSqlServer(cnn_str).EnableDetailedErrors());
 builder.Services.AddWorkFlow().AddUserManager<WFDBContext>();
+builder.Services.AddCookieBasedLocalizer();
 
 builder.Services.AddControllers();
 
@@ -42,6 +44,8 @@ app.UseAuthentication();
 
 app.UseAuthorization();
 
+app.UseCookieBasedLocalizer("de-DE");
+
 app.MapControllers();
 
 app.Run();
\ No newline at end of file