diff --git a/app/controllers/oauth/cas_controller.rb b/app/controllers/oauth/cas_controller.rb
index d5abc8cbe..d1fa95470 100644
--- a/app/controllers/oauth/cas_controller.rb
+++ b/app/controllers/oauth/cas_controller.rb
@@ -3,7 +3,7 @@ class Oauth::CasController < Oauth::BaseController
     user, is_new_user = Oauth::CreateORFindCasUserService.call(current_user, auth_hash)
     successful_authentication(user)
 
-    render_ok(new_user: is_new_user)
+    redirect_to root_url
   end