diff --git a/Oqtane.Server/Extensions/WebHostBuilderExtensions.cs b/Oqtane.Server/Extensions/WebHostBuilderExtensions.cs
new file mode 100644
index 00000000..3e9b8fc7
--- /dev/null
+++ b/Oqtane.Server/Extensions/WebHostBuilderExtensions.cs
@@ -0,0 +1,21 @@
+using Microsoft.Extensions.DependencyInjection;
+using Microsoft.Extensions.Options;
+using Oqtane.Infrastructure;
+
+namespace Microsoft.AspNetCore.Hosting
+{
+    public static class WebHostBuilderExtensions
+    {
+        public static IWebHostBuilder ConfigureLocalizationSettings(this IWebHostBuilder builder)
+        {
+            return builder.ConfigureServices((context, services) =>
+            {
+                var config = context.Configuration;
+
+                services.Configure<LocalizationOptions>(config.GetSection("Localization"));
+                services.AddSingleton(ctx => ctx.GetService<IOptions<LocalizationOptions>>().Value);
+                services.AddTransient<ILocalizationManager, LocalizationManager>();
+            });
+        }
+    }
+}
diff --git a/Oqtane.Server/Program.cs b/Oqtane.Server/Program.cs
index c4b5492f..1ac0797e 100644
--- a/Oqtane.Server/Program.cs
+++ b/Oqtane.Server/Program.cs
@@ -26,6 +26,7 @@ namespace Oqtane.Server
                     .AddCommandLine(args)
                     .Build())
                 .UseStartup<Startup>()
+                .ConfigureLocalizationSettings()
                 .Build();
     }
 }
diff --git a/Oqtane.Server/Startup.cs b/Oqtane.Server/Startup.cs
index 976556b7..f5c5e07b 100644
--- a/Oqtane.Server/Startup.cs
+++ b/Oqtane.Server/Startup.cs
@@ -27,22 +27,23 @@ namespace Oqtane
 {
     public class Startup
     {
-        private static readonly string[] DefaultSupportedCultures = new[] { Constants.DefaultCulture };
-
         private string _webRoot;
         private Runtime _runtime;
         private bool _useSwagger;
         private IWebHostEnvironment _env;
+        private string[] _supportedCultures;
 
         public IConfigurationRoot Configuration { get; }
 
-        public Startup(IWebHostEnvironment env)
+        public Startup(IWebHostEnvironment env, ILocalizationManager localizationManager)
         {
             var builder = new ConfigurationBuilder()
                 .SetBasePath(env.ContentRootPath)
                 .AddJsonFile("appsettings.json", optional: false, reloadOnChange: true);
             Configuration = builder.Build();
 
+            _supportedCultures = localizationManager.GetSupportedCultures();
+
             _runtime = (Configuration.GetSection("Runtime").Value == "WebAssembly") ? Runtime.WebAssembly : Runtime.Server;
             
             //add possibility to switch off swagger on production.
@@ -141,11 +142,6 @@ namespace Oqtane
                 .AddSignInManager()
                 .AddDefaultTokenProviders();
 
-            var localizationSection = Configuration.GetSection("Localization");
-            var localizationOptions = localizationSection.Get<LocalizationOptions>();
-
-            services.Configure<LocalizationOptions>(localizationSection);
-
             services.Configure<IdentityOptions>(options =>
             {
                 // Password settings
@@ -219,10 +215,7 @@ namespace Oqtane
             services.AddTransient<IUpgradeManager, UpgradeManager>();
 
             // load the external assemblies into the app domain, install services 
-            services.AddOqtane(_runtime,
-                localizationOptions.SupportedCultures.IsNullOrEmpty()
-                    ? DefaultSupportedCultures
-                    : localizationOptions.SupportedCultures);
+            services.AddOqtane(_runtime, _supportedCultures);
 
             services.AddMvc()
                 .AddNewtonsoftJson()