[minor] fixes in validate selling price
diff --git a/erpnext/controllers/selling_controller.py b/erpnext/controllers/selling_controller.py
index 68e9155..60cd68c 100644
--- a/erpnext/controllers/selling_controller.py
+++ b/erpnext/controllers/selling_controller.py
@@ -164,14 +164,18 @@
 				frappe.throw(_("Maxiumm discount for Item {0} is {1}%").format(d.item_code, discount))
 
 	def validate_selling_price(self):
+		def throw_message(item_name, rate, ref_rate_field):
+			frappe.throw(_("""Selling price for item {0} is lower than its {1}. Selling price should be atleast {2}""")
+				.format(item_name, ref_rate_field, rate))
+
 		if not frappe.db.get_single_value("Selling Settings", "validate_selling_price"):
 			return
 
 		for it in self.get("items"):
-			last_purchase_rate, is_stock_item = frappe.db.get_value("Item", it.name, ["last_purchase_rate", "is_stock_item"])
+			last_purchase_rate, is_stock_item = frappe.db.get_value("Item", it.item_code, ["last_purchase_rate", "is_stock_item"])
 
 			if flt(it.base_rate) < flt(last_purchase_rate):
-				throw(it.name, last_purchase_rate, "last purchase rate")
+				throw_message(it.item_name, last_purchase_rate, "last purchase rate")
 
 			last_valuation_rate = frappe.db.sql("""
 				SELECT valuation_rate FROM `tabStock Ledger Entry` WHERE item_code = %s
@@ -182,9 +186,6 @@
 			if is_stock_item and flt(it.base_rate) < flt(last_valuation_rate):
 				throw_message(it.name, last_valuation_rate, "valuation rate")
 
-		def throw_message(item_name, rate, ref_rate_field):
-			frappe.throw(_("""Selling price for item {0} is lower than its {1}. Selling price should be atleast {2}""")
-				.format(item_name, ref_rate_field, rate))
 
 	def get_item_list(self):
 		il = []