diff --git a/erpnext/accounts/doctype/journal_entry/journal_entry.py b/erpnext/accounts/doctype/journal_entry/journal_entry.py
index cd79363..1dd1ee9 100644
--- a/erpnext/accounts/doctype/journal_entry/journal_entry.py
+++ b/erpnext/accounts/doctype/journal_entry/journal_entry.py
@@ -651,7 +651,8 @@
 	if args.get("party_account"):
 		# Modified to include the posting date for which the exchange rate is required. 
 		# Assumed to be the posting date in the reference document
-		exchange_rate = get_exchange_rate(ref_doc.posting_date, args.get("party_account"), args.get("party_account_currency"),
+		exchange_rate = get_exchange_rate(ref_doc.get("posting_date") or ref_doc.get("transaction_date"), 
+			args.get("party_account"), args.get("party_account_currency"),
 			ref_doc.company, ref_doc.doctype, ref_doc.name)
 
 	je = frappe.new_doc("Journal Entry")
@@ -686,7 +687,8 @@
 		bank_row.update(bank_account)
 		# Modified to include the posting date for which the exchange rate is required. 
 		# Assumed to be the posting date of the reference date
-		bank_row.exchange_rate = get_exchange_rate(ref_doc.posting_date, bank_account["account"],
+		bank_row.exchange_rate = get_exchange_rate(ref_doc.get("posting_date") 
+			or ref_doc.get("transaction_date"), bank_account["account"], 
 			bank_account["account_currency"], ref_doc.company)
 
 	bank_row.cost_center = cost_center