lib/recommendable.rb in recommendable-2.1.4 vs lib/recommendable.rb in recommendable-2.2.0

@@ -22,9 +22,10 @@
         warn 'Your ORM is not currently supported. Please open an issue at https://github.com/davidcelis/recommendable'
     end
 
     def enqueue(user_id)
       user_id = user_id.id if user_id.is_a?(Recommendable.config.user_class)
+      user_id = user_id.to_s
 
       if defined?(::Sidekiq)
         Recommendable::Workers::Sidekiq.perform_async(user_id)
       elsif defined?(::Resque)
         Resque.enqueue(Recommendable::Workers::Resque, user_id)