diff --git a/sf_manufacturing/wizard/sale_order_cancel.py b/sf_manufacturing/wizard/sale_order_cancel.py
index 8198e73e..9007c50f 100644
--- a/sf_manufacturing/wizard/sale_order_cancel.py
+++ b/sf_manufacturing/wizard/sale_order_cancel.py
@@ -472,7 +472,7 @@ class SFSaleOrderCancelLine(models.TransientModel):
                     'sequence': sequence,
                     'category': module_name_dict[purchase_request_line._original_module],
                     'doc_name': purchase_request_line._description,
-                    'doc_number': purchase_request_line.name,
+                    'doc_number': purchase_request_line.request_id.name,
                     'line_number': prl_count,
                     'product_name': f'[{purchase_request_line.product_id.default_code}] {purchase_request_line.product_id.name}',
                     'quantity': purchase_request_line.product_qty,