diff --git a/app/controllers/users/interests_controller.rb b/app/controllers/users/interests_controller.rb
index bac9c568d..3f931612d 100644
--- a/app/controllers/users/interests_controller.rb
+++ b/app/controllers/users/interests_controller.rb
@@ -1,8 +1,9 @@
 class Users::InterestsController < Users::BaseController
   skip_before_action :check_observed_user_exists!
-  before_action :require_login, :check_auth
+  before_action :require_login
 
   def create
+    return render_forbidden if current_user.user_extension&.identity.present?
     identity = params[:identity].to_s.strip
 
     extension = current_user.user_extension || current_user.build_user_extension