diff --git a/Source/Applications/SystemCenter/Startup.cs b/Source/Applications/SystemCenter/Startup.cs
index 83479f976..8f57368ff 100644
--- a/Source/Applications/SystemCenter/Startup.cs
+++ b/Source/Applications/SystemCenter/Startup.cs
@@ -47,6 +47,7 @@ public void Configuration(IAppBuilder app)
             app.Use(async (context, next) =>
             {
                 context.Request.Environment["AuthenticationOptions"] = AuthenticationOptions.Readonly;
+                context.Response.Headers.Add("Content-Security-Policy", ["frame-ancestors 'none'"]);
                 await next.Invoke();
                 context.Response.Headers.Remove("Server");
             });