diff --git a/erpnext/controllers/accounts_controller.py b/erpnext/controllers/accounts_controller.py
index 5219339..fcc350a 100644
--- a/erpnext/controllers/accounts_controller.py
+++ b/erpnext/controllers/accounts_controller.py
@@ -112,6 +112,8 @@
 				if item.get("item_code"):
 					args = parent_dict.copy()
 					args.update(item.as_dict())
+					if not args.get("transaction_date"):
+						args["transaction_date"] = args.get("posting_date")
 					ret = get_item_details(args)
 
 					for fieldname, value in ret.items():
diff --git a/erpnext/public/js/transaction.js b/erpnext/public/js/transaction.js
index e1e78a3..ebdb136 100644
--- a/erpnext/public/js/transaction.js
+++ b/erpnext/public/js/transaction.js
@@ -148,7 +148,7 @@
 							order_type: me.frm.doc.order_type,
 							is_pos: cint(me.frm.doc.is_pos),
 							is_subcontracted: me.frm.doc.is_subcontracted,
-							transaction_date: me.frm.doc.transaction_date,
+							transaction_date: me.frm.doc.transaction_date || me.frm.doc.posting_date,
 							ignore_pricing_rule: me.frm.doc.ignore_pricing_rule,
 							doctype: item.doctype,
 							name: item.name,