diff --git a/erpnext/buying/doctype/purchase_order/purchase_order.py b/erpnext/buying/doctype/purchase_order/purchase_order.py
index 845ff74..f62df20 100644
--- a/erpnext/buying/doctype/purchase_order/purchase_order.py
+++ b/erpnext/buying/doctype/purchase_order/purchase_order.py
@@ -313,7 +313,7 @@
 
 	last_purchase_details =  get_last_purchase_details(item_code, name)
 	if last_purchase_details:
-		last_purchase_rate = (last_purchase_details['base_rate'] * (flt(conversion_factor) or 1.0)) / conversion_rate
+		last_purchase_rate = (last_purchase_details['base_net_rate'] * (flt(conversion_factor) or 1.0)) / conversion_rate
 		return last_purchase_rate
 	else:
 		item_last_purchase_rate = frappe.get_cached_value("Item", item_code, "last_purchase_rate")
diff --git a/erpnext/buying/utils.py b/erpnext/buying/utils.py
index 8c0a1e5..b5598f8 100644
--- a/erpnext/buying/utils.py
+++ b/erpnext/buying/utils.py
@@ -24,12 +24,12 @@
 		last_purchase_rate = None
 		if last_purchase_details and \
 				(last_purchase_details.purchase_date > this_purchase_date):
-			last_purchase_rate = last_purchase_details['base_rate']
+			last_purchase_rate = last_purchase_details['base_net_rate']
 		elif is_submit == 1:
 			# even if this transaction is the latest one, it should be submitted
 			# for it to be considered for latest purchase rate
 			if flt(d.conversion_factor):
-				last_purchase_rate = flt(d.base_rate) / flt(d.conversion_factor)
+				last_purchase_rate = flt(d.base_net_rate) / flt(d.conversion_factor)
 			# Check if item code is present
 			# Conversion factor should not be mandatory for non itemized items
 			elif d.item_code:
diff --git a/erpnext/stock/doctype/item/item.py b/erpnext/stock/doctype/item/item.py
index 164c659..7495dff 100644
--- a/erpnext/stock/doctype/item/item.py
+++ b/erpnext/stock/doctype/item/item.py
@@ -645,7 +645,7 @@
 											json.dumps(item_wise_tax_detail), update_modified=False)
 
 	def set_last_purchase_rate(self, new_name):
-		last_purchase_rate = get_last_purchase_details(new_name).get("base_rate", 0)
+		last_purchase_rate = get_last_purchase_details(new_name).get("base_net_rate", 0)
 		frappe.db.set_value("Item", new_name, "last_purchase_rate", last_purchase_rate)
 
 	def recalculate_bin_qty(self, new_name):
@@ -942,7 +942,7 @@
 	last_purchase_order = frappe.db.sql("""\
 		select po.name, po.transaction_date, po.conversion_rate,
 			po_item.conversion_factor, po_item.base_price_list_rate,
-			po_item.discount_percentage, po_item.base_rate
+			po_item.discount_percentage, po_item.base_rate, po_item.base_net_rate
 		from `tabPurchase Order` po, `tabPurchase Order Item` po_item
 		where po.docstatus = 1 and po_item.item_code = %s and po.name != %s and
 			po.name = po_item.parent
@@ -953,7 +953,7 @@
 	last_purchase_receipt = frappe.db.sql("""\
 		select pr.name, pr.posting_date, pr.posting_time, pr.conversion_rate,
 			pr_item.conversion_factor, pr_item.base_price_list_rate, pr_item.discount_percentage,
-			pr_item.base_rate
+			pr_item.base_rate, pr_item.base_net_rate
 		from `tabPurchase Receipt` pr, `tabPurchase Receipt Item` pr_item
 		where pr.docstatus = 1 and pr_item.item_code = %s and pr.name != %s and
 			pr.name = pr_item.parent
@@ -984,6 +984,7 @@
 	out = frappe._dict({
 		"base_price_list_rate": flt(last_purchase.base_price_list_rate) / conversion_factor,
 		"base_rate": flt(last_purchase.base_rate) / conversion_factor,
+		"base_net_rate": flt(last_purchase.net_rate) / conversion_factor,
 		"discount_percentage": flt(last_purchase.discount_percentage),
 		"purchase_date": purchase_date
 	})
@@ -992,7 +993,8 @@
 	out.update({
 		"price_list_rate": out.base_price_list_rate / conversion_rate,
 		"rate": out.base_rate / conversion_rate,
-		"base_rate": out.base_rate
+		"base_rate": out.base_rate,
+		"base_net_rate": out.base_net_rate
 	})
 
 	return out