diff --git a/app/controllers/sidekiq/monitor/api/queues_controller.rb b/app/controllers/sidekiq/monitor/api/queues_controller.rb
index a0b6f61..6c7a79e 100644
--- a/app/controllers/sidekiq/monitor/api/queues_controller.rb
+++ b/app/controllers/sidekiq/monitor/api/queues_controller.rb
@@ -8,7 +8,12 @@ def show
           queue = params[:queue]
           render json: {}, status: 404 and return if queue.blank?
 
-          status_counts = Sidekiq::Monitor::Job.where(queue: queue).count(group: 'status')
+          if ::Rails::VERSION::MAJOR >= 4
+            status_counts = Sidekiq::Monitor::Job.where(queue: queue).group('status').count
+          else
+            status_counts = Sidekiq::Monitor::Job.where(queue: queue).count(group: 'status')
+          end
+
           ordered_status_counts = {}
           Sidekiq::Monitor::Job.statuses.each do |status|
             ordered_status_counts[status] = status_counts.has_key?(status) ? status_counts[status] : 0