diff --git a/backend/LocalWebApp/LocalAppKernel.cs b/backend/LocalWebApp/LocalAppKernel.cs
index aa8090f9e..03e744710 100644
--- a/backend/LocalWebApp/LocalAppKernel.cs
+++ b/backend/LocalWebApp/LocalAppKernel.cs
@@ -49,7 +49,7 @@ private static void AddAuthHelpers(this IServiceCollection services, IHostEnviro
         services.AddTransient<AuthHelpers>(sp => sp.GetRequiredService<AuthHelpersFactory>().GetCurrentHelper());
         services.AddSingleton<OAuthService>();
         services.AddSingleton<IHostedService>(sp => sp.GetRequiredService<OAuthService>());
-        services.AddOptionsWithValidateOnStart<AuthConfig>().ValidateDataAnnotations();
+        services.AddOptionsWithValidateOnStart<AuthConfig>().BindConfiguration("Auth").ValidateDataAnnotations();
         services.AddSingleton<LoggerAdapter>();
         var httpClientBuilder = services.AddHttpClient(AuthHelpers.AuthHttpClientName);
         if (environment.IsDevelopment())
diff --git a/backend/LocalWebApp/Program.cs b/backend/LocalWebApp/Program.cs
index 961c6e80d..cf6c481b5 100644
--- a/backend/LocalWebApp/Program.cs
+++ b/backend/LocalWebApp/Program.cs
@@ -9,7 +9,7 @@
 var builder = WebApplication.CreateBuilder(args);
 if (!builder.Environment.IsDevelopment())
     builder.WebHost.UseUrls("http://127.0.0.1:0");
-builder.ConfigureDev<AuthConfig>(config => config.DefaultAuthority = new("https://localhost:3000"));
+builder.ConfigureDev<AuthConfig>(config => config.DefaultAuthority = new("https://lexbox.dev.languagetechnology.org"));
 builder.ConfigureProd<AuthConfig>(config => config.DefaultAuthority = new("https://lexbox.org"));
 builder.Services.Configure<AuthConfig>(c => c.ClientId = "becf2856-0690-434b-b192-a4032b72067f");
 
diff --git a/backend/Taskfile.yml b/backend/Taskfile.yml
index 1a4cf9fa5..21ac8a733 100644
--- a/backend/Taskfile.yml
+++ b/backend/Taskfile.yml
@@ -95,6 +95,12 @@ tasks:
     label: dotnet
     dir: ./LocalWebApp
     cmd: dotnet watch --no-hot-reload
+  local-web-app-with-local-lexbox:
+    label: Run LocalWebApp with Local LexBox
+    env:
+      Auth__DefaultAuthority: "https://localhost:3000"
+    dir: ./LocalWebApp
+    cmd: dotnet watch --no-hot-reload
 
   publish-local-all:
     cmds: