diff --git a/Bonobo.Git.Server/Controllers/HomeController.cs b/Bonobo.Git.Server/Controllers/HomeController.cs
index 3668cc281..676cc6942 100644
--- a/Bonobo.Git.Server/Controllers/HomeController.cs
+++ b/Bonobo.Git.Server/Controllers/HomeController.cs
@@ -166,6 +166,9 @@ public ActionResult WindowsLogin(string returnUrl)
 
         public ActionResult LogOn(string returnUrl)
         {
+            if (AuthenticationProvider is WindowsAuthenticationProvider) {
+                return RedirectToAction("WindowsLogin", new { ReturnUrl = returnUrl });
+            }
             return View(new LogOnModel { ReturnUrl = returnUrl });
         }