diff --git a/app/controllers/admin/users_controller.rb b/app/controllers/admin/users_controller.rb
index 4370c22e129..1e020cd0045 100644
--- a/app/controllers/admin/users_controller.rb
+++ b/app/controllers/admin/users_controller.rb
@@ -48,6 +48,7 @@ class Admin::UsersController < Admin::AdminController
   def refresh_browsers
     @user = User.where(id: params[:user_id]).first
     MessageBus.publish "/file-change", ["refresh"], user_ids: [@user.id]
+    render nothing: true
   end
 
   def revoke_admin