diff --git a/app/workers/cron/cron_job.rb b/app/workers/cron/cron_job.rb
index 3275bd4e82..9e3dce5284 100644
--- a/app/workers/cron/cron_job.rb
+++ b/app/workers/cron/cron_job.rb
@@ -46,10 +46,16 @@ module Cron
         end
       end
 
+      def schedule_registered_jobs!
+        registered_jobs.each do |job_class|
+          job_class.ensure_scheduled!
+        end
+      end
+
       ##
       # Ensure the job is scheduled unless it is already
       def ensure_scheduled!
-        # Ensure scheduled only onced
+        # Ensure scheduled only once
         return if scheduled?
 
         Rails.logger.info { "Scheduling #{name} recurrent background job." }
@@ -65,13 +71,15 @@ module Cron
       ##
       # Is there a job scheduled?
       def scheduled?
-        delayed_job.present?
+        delayed_job_query.exists?
       end
 
       def delayed_job
-        Delayed::Job
-          .where('handler LIKE ?', "%job_class: #{name}%")
-          .first
+        delayed_job_query.first
+      end
+
+      def delayed_job_query
+        Delayed::Job.where('handler LIKE ?', "%job_class: #{name}%")
       end
     end
   end
diff --git a/lib/tasks/cron.rake b/lib/tasks/cron.rake
index 8ff41392cf..10d016e69a 100644
--- a/lib/tasks/cron.rake
+++ b/lib/tasks/cron.rake
@@ -34,6 +34,6 @@ namespace 'openproject:cron' do
 
   desc 'Ensure the cron-like background jobs are actively scheduled'
   task schedule: [:environment] do
-    ::Cron::CronJob.registered_jobs.each(&:ensure_scheduled!)
+    ::Cron::CronJob.schedule_registered_jobs!
   end
 end