diff --git a/pms_api_rest/services/pms_folio_service.py b/pms_api_rest/services/pms_folio_service.py
index ca9ae6e8b..ef138b6c5 100644
--- a/pms_api_rest/services/pms_folio_service.py
+++ b/pms_api_rest/services/pms_folio_service.py
@@ -662,7 +662,7 @@ class PmsFolioService(Component):
                                 displayType=move_line.display_type
                                 if move_line.display_type
                                 else None,
-                                saleLineId=move_line.folio_line_ids
+                                saleLineId=move_line.folio_line_ids[0]
                                 if move_line.folio_line_ids
                                 else None,
                                 isDownPayment=move_line.move_id._is_downpayment(),