diff --git a/app/tasks/maintenance/add_dossiers_missing_champs_task.rb b/app/tasks/maintenance/add_dossiers_missing_champs_task.rb
new file mode 100644
index 000000000..7ffe905a5
--- /dev/null
+++ b/app/tasks/maintenance/add_dossiers_missing_champs_task.rb
@@ -0,0 +1,11 @@
+# frozen_string_literal: true
+
+module Maintenance
+  class AddDossiersMissingChampsTask < MaintenanceTasks::Task
+    csv_collection
+
+    def process(row)
+      DataFixer::DossierChampsMissing(dossier: row["dossier_id"]).fix
+    end
+  end
+end