diff --git a/addons/stock/models/stock_move.py b/addons/stock/models/stock_move.py
index 98a6a1c11d6..40e8c4d19b6 100644
--- a/addons/stock/models/stock_move.py
+++ b/addons/stock/models/stock_move.py
@@ -480,7 +480,7 @@ Please change the quantity done or the rounding precision of your unit of measur
 
         def key_virtual_available(move, incoming=False):
             warehouse_id = move.location_dest_id.warehouse_id.id if incoming else move.location_id.warehouse_id.id
-            return warehouse_id, max(move.date, now)
+            return warehouse_id, max(move.date or now, now)
 
         # Prefetch efficiently virtual_available for _is_consuming draft move.
         prefetch_virtual_available = defaultdict(set)