builder: Supply builder Fix calculation of initial stock

product/ERP5/mixin/builder.py

@@ -440,15 +440,14 @@ class BuilderMixin(XMLObject, Amount, Predicate):
       return []
     from_date = date
 
+    # Prepare period_list
+    limit_date = getPreviousValidDate(getPreviousValidDate(from_date) - 0.1)
     # evaluate future inventory at date
     future_inventory_to_date = portal.portal_simulation.getFutureInventory(
-      to_date=from_date,
+      to_date=limit_date,
       resource_uid=resource_value.getUid(),
       node_uid=supply.getDestinationUid(),
       )
-
-    # Prepare period_list
-    limit_date = getPreviousValidDate(getPreviousValidDate(from_date) - 0.1)
     limit_date_list = []
     last_date = getPreviousValidDate(history_list[-1][0])
     while limit_date <= last_date: