diff --git a/erpnext/stock/doctype/pick_list/pick_list.py b/erpnext/stock/doctype/pick_list/pick_list.py
index 2ed9209..922f76c 100644
--- a/erpnext/stock/doctype/pick_list/pick_list.py
+++ b/erpnext/stock/doctype/pick_list/pick_list.py
@@ -40,7 +40,7 @@
 		for location in self.get("locations"):
 			if (
 				location.sales_order
-				and frappe.db.get_value("Sales Order", location.sales_order, "per_picked") == 100
+				and frappe.db.get_value("Sales Order", location.sales_order, "per_picked", cache=True) == 100
 			):
 				frappe.throw(
 					_("Row #{}: item {} has been picked already.").format(location.idx, location.item_code)
@@ -498,7 +498,7 @@
 		)
 		qty = stock_qty / (item_doc.conversion_factor or 1)
 
-		uom_must_be_whole_number = frappe.db.get_value("UOM", item_doc.uom, "must_be_whole_number")
+		uom_must_be_whole_number = frappe.get_cached_value("UOM", item_doc.uom, "must_be_whole_number")
 		if uom_must_be_whole_number:
 			qty = floor(qty)
 			stock_qty = qty * item_doc.conversion_factor