diff --git a/src/MusicStore/Program.cs b/src/MusicStore/Program.cs
index f65328faef..bee570c0e7 100644
--- a/src/MusicStore/Program.cs
+++ b/src/MusicStore/Program.cs
@@ -32,6 +32,7 @@ namespace MusicStore
                     builder.UseWebListener(options =>
                     {
                         options.Listener.AuthenticationManager.AuthenticationSchemes = AuthenticationSchemes.NTLM;
+                        options.Listener.AuthenticationManager.AllowAnonymous = false;
                     });
                 }
                 else