diff --git a/lib/infra_conversion_throttler.rb b/lib/infra_conversion_throttler.rb
index 49fb388b2cf..f36fd33717a 100644
--- a/lib/infra_conversion_throttler.rb
+++ b/lib/infra_conversion_throttler.rb
@@ -7,9 +7,15 @@ def self.start_conversions
       _log.debug("- EMS: #{ems.name}")
       _log.debug("-- Number of pending jobs: #{jobs.size}")
       running = ems.conversion_hosts.inject(0) { |sum, ch| sum + ch.active_tasks.count }
-      $log&.debug("There are currently #{running} conversion hosts running.")
+      _log.debug("-- Currently running jobs in EMS: #{running}")
       slots = (ems.miq_custom_get('MaxTransformationRunners') || Settings.transformation.limits.max_concurrent_tasks_per_ems).to_i - running
-      $log&.debug("The maximum number of concurrent tasks for the EMS is: #{slots}.")
+
+      if slots <= 0
+        _log.debug("-- No available slot in EMS. Stopping.")
+        next
+      end
+      _log.debug("-- Available slots in EMS: #{slots}")
+
       jobs.each do |job|
         vm_name = job.migration_task.source.name
         _log.debug("- Looking for a conversion host for task for #{vm_name}")