lib/sidekiq/prometheus/exporter/standard.rb in sidekiq-prometheus-exporter-0.1.11 vs lib/sidekiq/prometheus/exporter/standard.rb in sidekiq-prometheus-exporter-0.1.12

@@ -44,10 +44,10 @@
               memo[queue] = now - oldest_execution['run_at']
             end
         end
 
         def total_workers
-          Sidekiq::ProcessSet.new.map { |process| process['concurrency'] }.reduce(:+)
+          Sidekiq::ProcessSet.new.map { |process| process['concurrency'].to_i }.reduce(0, :+)
         end
       end
     end
   end
 end