[minor] [fix] shopping cart cookies
diff --git a/selling/utils/cart.py b/selling/utils/cart.py
index c4c0b72..3cd7b3c 100644
--- a/selling/utils/cart.py
+++ b/selling/utils/cart.py
@@ -310,7 +310,7 @@
 	quotation.run_method("set_price_list_and_item_details")
 	
 	# set it in cookies for using in product page
-	webnotes.cookies[b"selling_price_list"] = quotation.doc.selling_price_list
+	webnotes.local._response.set_cookie("selling_price_list", quotation.doc.selling_price_list)
 	
 def set_taxes(quotation, cart_settings, billing_territory):
 	"""set taxes based on billing territory"""