diff --git a/addons/stock/wizard/product_replenish.py b/addons/stock/wizard/product_replenish.py
index ced229de126..9b743b5116e 100644
--- a/addons/stock/wizard/product_replenish.py
+++ b/addons/stock/wizard/product_replenish.py
@@ -72,7 +72,7 @@ class ProductReplenish(models.TransientModel):
         values = {
             'warehouse_id': self.warehouse_id,
             'route_ids': self.route_ids,
-            'date_planned': self.date_planned,
+            'date_planned': self.date_planned or fields.Datetime.now(),
             'group_id': replenishment,
         }
         return values