diff --git a/buying/doctype/purchase_common/purchase_common.js b/buying/doctype/purchase_common/purchase_common.js
index 9661f6e..14b8279 100644
--- a/buying/doctype/purchase_common/purchase_common.js
+++ b/buying/doctype/purchase_common/purchase_common.js
@@ -22,7 +22,7 @@
 		if(this.frm.fields_dict.buying_price_list) {
 			this.frm.set_query("buying_price_list", function() {
 				return{
-					filters: { 'buying_or_selling': "Buying" }
+					filters: { 'buying': 1 }
 				}
 			});
 		}
diff --git a/buying/doctype/supplier/supplier.js b/buying/doctype/supplier/supplier.js
index 0618616..ec4d3e6 100644
--- a/buying/doctype/supplier/supplier.js
+++ b/buying/doctype/supplier/supplier.js
@@ -95,6 +95,6 @@
 
 cur_frm.fields_dict['default_price_list'].get_query = function(doc,cdt,cdn) {
 	return{
-		filters:{'buying_or_selling': "Buying"}
+		filters:{'buying': 1}
 	}
 }
\ No newline at end of file
diff --git a/buying/utils.py b/buying/utils.py
index 0d9c8fa..35d89c5 100644
--- a/buying/utils.py
+++ b/buying/utils.py
@@ -3,7 +3,7 @@
 
 from __future__ import unicode_literals
 import webnotes
-from webnotes import msgprint, _
+from webnotes import msgprint, _, throw
 from webnotes.utils import getdate, flt, add_days, cstr
 import json
 
@@ -90,7 +90,7 @@
 	# try fetching from price list
 	if args.buying_price_list and args.price_list_currency:
 		price_list_rate = webnotes.conn.sql("""select ref_rate from `tabItem Price` 
-			where price_list=%s and item_code=%s and buying_or_selling='Buying'""", 
+			where price_list=%s and item_code=%s and buying=1""", 
 			(args.buying_price_list, args.item_code), as_dict=1)
 		
 		if price_list_rate:
@@ -122,14 +122,12 @@
 	
 	# validate if purchase item or subcontracted item
 	if item.is_purchase_item != "Yes":
-		msgprint(_("Item") + (" %s: " % item.name) + _("not a purchase item"),
-			raise_exception=True)
+		throw(_("Item") + (" %s: " % item.name) + _("not a purchase item"))
 	
 	if args.is_subcontracted == "Yes" and item.is_sub_contracted_item != "Yes":
-		msgprint(_("Item") + (" %s: " % item.name) + 
+		throw(_("Item") + (" %s: " % item.name) + 
 			_("not a sub-contracted item.") +
-			_("Please select a sub-contracted item or do not sub-contract the transaction."), 
-			raise_exception=True)
+			_("Please select a sub-contracted item or do not sub-contract the transaction."))
 
 def get_last_purchase_details(item_code, doc_name=None, conversion_rate=1.0):
 	"""returns last purchase details in stock uom"""