diff --git a/app/jobs/migrations/backfill_stable_id_job.rb b/app/jobs/migrations/backfill_stable_id_job.rb
index e145d621c..aa23352ff 100644
--- a/app/jobs/migrations/backfill_stable_id_job.rb
+++ b/app/jobs/migrations/backfill_stable_id_job.rb
@@ -1,18 +1,18 @@
 class Migrations::BackfillStableIdJob < ApplicationJob
   queue_as :low_priority
 
-  BATCH = 100_000
+  DEFAULT_LIMIT = 50_000
 
-  def perform(iteration)
+  def perform(iteration, limit = DEFAULT_LIMIT)
     sql = "UPDATE champs SET stable_id = t.stable_id, stream = 'main'
       FROM types_de_champ t
         WHERE champs.type_de_champ_id = t.id
         AND champs.id IN (SELECT id FROM champs WHERE champs.stable_id IS NULL LIMIT ?);"
-    query = ActiveRecord::Base.sanitize_sql_array([sql, BATCH])
+    query = ActiveRecord::Base.sanitize_sql_array([sql, limit])
     ActiveRecord::Base.connection.execute(query)
 
     if Champ.exists?(stable_id: nil)
-      Migrations::BackfillStableIdJob.set(wait: 2.seconds).perform_later(iteration + 1)
+      Migrations::BackfillStableIdJob.set(wait: 2.seconds).perform_later(iteration + 1, limit)
     end
   end
 end
diff --git a/app/tasks/maintenance/backfill_champs_stable_id_task.rb b/app/tasks/maintenance/backfill_champs_stable_id_task.rb
index 040d78d04..070d15c76 100644
--- a/app/tasks/maintenance/backfill_champs_stable_id_task.rb
+++ b/app/tasks/maintenance/backfill_champs_stable_id_task.rb
@@ -2,10 +2,11 @@
 
 module Maintenance
   class BackfillChampsStableIdTask < MaintenanceTasks::Task
+    attribute :limit, :integer
     no_collection
 
     def process
-      Migrations::BackfillStableIdJob.perform_later(0)
+      Migrations::BackfillStableIdJob.perform_later(0, limit)
     end
   end
 end