diff --git a/erpnext/selling/doctype/sales_order/sales_order.py b/erpnext/selling/doctype/sales_order/sales_order.py
index 3821a237161..81f9cedbc62 100755
--- a/erpnext/selling/doctype/sales_order/sales_order.py
+++ b/erpnext/selling/doctype/sales_order/sales_order.py
@@ -1305,7 +1305,11 @@ def create_pick_list(source_name, target_doc=None):
 		"Sales Order",
 		source_name,
 		{
-			"Sales Order": {"doctype": "Pick List", "validation": {"docstatus": ["=", 1]}},
+			"Sales Order": {
+				"doctype": "Pick List",
+				"field_map": {"set_warehouse": "parent_warehouse"},
+				"validation": {"docstatus": ["=", 1]},
+			},
 			"Sales Order Item": {
 				"doctype": "Pick List Item",
 				"field_map": {"parent": "sales_order", "name": "sales_order_item"},
diff --git a/erpnext/stock/doctype/pick_list/pick_list.py b/erpnext/stock/doctype/pick_list/pick_list.py
index 86462476a5d..fb202a31f58 100644
--- a/erpnext/stock/doctype/pick_list/pick_list.py
+++ b/erpnext/stock/doctype/pick_list/pick_list.py
@@ -188,9 +188,9 @@ class PickList(Document):
 		picked_items_details = self.get_picked_items_details(items)
 		self.item_location_map = frappe._dict()
 
-		from_warehouses = None
+		from_warehouses = [self.parent_warehouse] if self.parent_warehouse else []
 		if self.parent_warehouse:
-			from_warehouses = get_descendants_of("Warehouse", self.parent_warehouse)
+			from_warehouses.extend(get_descendants_of("Warehouse", self.parent_warehouse))
 
 		# Create replica before resetting, to handle empty table on update after submit.
 		locations_replica = self.get("locations")