diff --git a/patches/june_2013/p03_buying_selling_for_price_list.py b/patches/june_2013/p03_buying_selling_for_price_list.py
index a41bda1..089f0be 100644
--- a/patches/june_2013/p03_buying_selling_for_price_list.py
+++ b/patches/june_2013/p03_buying_selling_for_price_list.py
@@ -2,6 +2,9 @@
 from webnotes.utils import cint
 
 def execute():
+	webnotes.reload_doc("setup", "doctype", "price_list")
+	webnotes.reload_doc("stock", "doctype", "item_price")
+	
 	for price_list in webnotes.conn.sql_list("""select name from `tabPrice List`"""):
 		buying, selling = False, False
 		for b, s in webnotes.conn.sql("""select distinct buying, selling 
@@ -9,6 +12,7 @@
 				buying = buying or cint(b)
 				selling = selling or cint(s)
 		
-		webnotes.conn.set_value("Price List", price_list, "buying_or_selling", ("Selling" if selling else "Buying"))
-		webnotes.conn.sql("""update `tabItem Price` set buying_or_selling=%s where price_list_name=%s""", 
-			(("Selling" if selling else "Buying"), price_list))
+		buying_or_selling = "Selling" if selling else "Buying"
+		webnotes.conn.set_value("Price List", price_list, "buying_or_selling", buying_or_selling)
+		webnotes.conn.sql("""update `tabItem Price` set buying_or_selling=%s 
+			where price_list_name=%s""", (buying_or_selling, price_list))