diff --git a/app/services/pieces_justificatives_service.rb b/app/services/pieces_justificatives_service.rb
index d3fa8990b..b6522f620 100644
--- a/app/services/pieces_justificatives_service.rb
+++ b/app/services/pieces_justificatives_service.rb
@@ -46,13 +46,15 @@ class PiecesJustificativesService
 
   def self.serialize_champs_as_pjs(dossier)
     dossier.champs_public.filter { |champ| champ.type_de_champ.old_pj }.map do |champ|
-      {
-        created_at: champ.created_at&.in_time_zone('UTC'),
-        type_de_piece_justificative_id: champ.type_de_champ.old_pj[:stable_id],
-        content_url: champ.for_api,
-        user: champ.dossier.user
-      }
-    end
+      champ.for_api&.map do |content_url|
+        {
+          created_at: champ.created_at&.in_time_zone('UTC'),
+          type_de_piece_justificative_id: champ.type_de_champ.old_pj[:stable_id],
+          content_url:,
+          user: champ.dossier.user
+        }
+      end
+    end.flatten
   end
 
   def self.clone_attachments(original, kopy)