diff --git a/app/lib/active_storage/downloadable_file.rb b/app/lib/active_storage/downloadable_file.rb
index eca681943..8c3855ad4 100644
--- a/app/lib/active_storage/downloadable_file.rb
+++ b/app/lib/active_storage/downloadable_file.rb
@@ -11,6 +11,12 @@ class ActiveStorage::DownloadableFile
     end
   end
 
+  def self.create_list_from_dossiers(dossiers)
+    dossiers.flat_map do |dossier|
+      create_list_from_dossier(dossier)
+    end
+  end
+
   private
 
   def self.timestamped_filename(attachment)
diff --git a/app/services/procedure_archive_service.rb b/app/services/procedure_archive_service.rb
index 9f244c06c..31f0786f6 100644
--- a/app/services/procedure_archive_service.rb
+++ b/app/services/procedure_archive_service.rb
@@ -25,7 +25,8 @@ class ProcedureArchiveService
       dossiers.processed_in_month(archive.month)
     end
 
-    attachments = create_list_of_attachments(dossiers)
+    attachments = ActiveStorage::DownloadableFile.create_list_from_dossiers(dossiers)
+
     download_and_zip(archive, attachments) do |zip_filepath|
       ArchiveUploader.new(procedure: @procedure, archive: archive, filepath: zip_filepath)
         .upload
@@ -72,12 +73,6 @@ class ProcedureArchiveService
     "procedure-#{@procedure.id}-#{archive.id}"
   end
 
-  def create_list_of_attachments(dossiers)
-    dossiers.flat_map do |dossier|
-      ActiveStorage::DownloadableFile.create_list_from_dossier(dossier)
-    end
-  end
-
   def self.attachments_from_champs_piece_justificative(champs)
     champs
       .filter { |c| c.type_champ == TypeDeChamp.type_champs.fetch(:piece_justificative) }