diff --git a/product/ERP5/tests/testInventory.py b/product/ERP5/tests/testInventory.py
index 23aa96b37417bab963cf8a5ea6eaeef86b69b511..6840d674a2e6a800e70def1b36c24ee47769c655 100644
--- a/product/ERP5/tests/testInventory.py
+++ b/product/ERP5/tests/testInventory.py
@@ -186,6 +186,7 @@ class TestInventory(TestOrderMixin,ERP5TypeTestCase):
     inventory_line.edit(resource_value = resource,
                         inventory = 12., # Arbitrary inventory ; it should be never accessed while aggregating items
                         aggregate_value_list = aggregate_value_list)
+    inventory.deliver()
     inventory_list.append(inventory)
     sequence.edit(inventory_list = inventory_list)
                         
@@ -207,6 +208,7 @@ class TestInventory(TestOrderMixin,ERP5TypeTestCase):
     inventory_line.edit(resource_value = sequence.get('resource'),
                         inventory = 24.
                        )
+    inventory.deliver()
     inventory_list.append(inventory)
     sequence.edit(inventory_list=inventory_list)