diff --git a/modules/product_kit/tests/scenario_product_kit_purchase.rst b/modules/product_kit/tests/scenario_product_kit_purchase.rst
index 0bde778427..2652bcb61e 100644
--- a/modules/product_kit/tests/scenario_product_kit_purchase.rst
+++ b/modules/product_kit/tests/scenario_product_kit_purchase.rst
@@ -238,7 +238,7 @@ Receive partial shipment::
 Check new invoice::
 
     >>> purchase.reload()
-    >>> _, invoice = purchase.invoices
+    >>> invoice, = [i for i in purchase.invoices if i != invoice]
     >>> len(invoice.lines)
     3
     >>> product2quantity = {l.product: l.quantity for l in invoice.lines}
diff --git a/modules/product_kit/tests/scenario_product_kit_sale.rst b/modules/product_kit/tests/scenario_product_kit_sale.rst
index bc4bcc7973..81a6d74bce 100644
--- a/modules/product_kit/tests/scenario_product_kit_sale.rst
+++ b/modules/product_kit/tests/scenario_product_kit_sale.rst
@@ -223,7 +223,7 @@ Ship partially::
 Check new invoice::
 
     >>> sale.reload()
-    >>> _, invoice = sale.invoices
+    >>> invoice, = [i for i in sale.invoices if i != invoice]
     >>> len(invoice.lines)
     3
     >>> product2quantity = {l.product: l.quantity for l in invoice.lines}