diff --git a/rma_purchase/models/purchase_order_line.py b/rma_purchase/models/purchase_order_line.py
index 863e14ae..70444eee 100644
--- a/rma_purchase/models/purchase_order_line.py
+++ b/rma_purchase/models/purchase_order_line.py
@@ -43,7 +43,7 @@ class PurchaseOrderLine(models.Model):
         res = []
         if self.env.context.get("rma"):
             for purchase in self:
-                invoices = self.env["account.invoice.line"].search(
+                invoices = self.env["account.move.line"].search(
                     [("purchase_line_id", "=", purchase.id)]
                 )
                 if purchase.order_id.name:
@@ -56,8 +56,7 @@ class PurchaseOrderLine(models.Model):
                                 " ".join(
                                     str(x)
                                     for x in [
-                                        inv.number
-                                        for inv in invoices.mapped("invoice_id")
+                                        inv.name for inv in invoices.mapped("move_id")
                                     ]
                                 ),
                                 purchase.product_id.name,