diff --git a/app/jobs/base.rb b/app/jobs/base.rb
index 2f7f6800238..8127d755bed 100644
--- a/app/jobs/base.rb
+++ b/app/jobs/base.rb
@@ -14,7 +14,7 @@ module Jobs
   end
 
   def self.num_email_retry_jobs
-    Sidekiq::RetrySet.new.select { |job| job.klass =~ /Email$/ }.size
+    Sidekiq::RetrySet.new.count { |job| job.klass =~ /Email$/ }
   end
 
   class Base