diff --git a/erpnext/accounts/doctype/payment_reconciliation/payment_reconciliation.py b/erpnext/accounts/doctype/payment_reconciliation/payment_reconciliation.py
index 154fdc0..675a328 100644
--- a/erpnext/accounts/doctype/payment_reconciliation/payment_reconciliation.py
+++ b/erpnext/accounts/doctype/payment_reconciliation/payment_reconciliation.py
@@ -234,7 +234,7 @@
 	def allocate_entries(self, args):
 		self.validate_entries()
 
-		invoice_exchange_map = self.get_invoice_exchange_map(args.get("invoices"))
+		invoice_exchange_map = self.get_invoice_exchange_map(args.get("invoices"), args.get("payments"))
 		default_exchange_gain_loss_account = frappe.get_cached_value(
 			"Company", self.company, "exchange_gain_loss_account"
 		)
@@ -253,6 +253,9 @@
 					pay["amount"] = 0
 
 				inv["exchange_rate"] = invoice_exchange_map.get(inv.get("invoice_number"))
+				if pay.get("reference_type") in ["Sales Invoice", "Purchase Invoice"]:
+					pay["exchange_rate"] = invoice_exchange_map.get(pay.get("reference_name"))
+
 				res.difference_amount = self.get_difference_amount(pay, inv, res["allocated_amount"])
 				res.difference_account = default_exchange_gain_loss_account
 				res.exchange_rate = inv.get("exchange_rate")
@@ -407,13 +410,21 @@
 		if not self.get("payments"):
 			frappe.throw(_("No records found in the Payments table"))
 
-	def get_invoice_exchange_map(self, invoices):
+	def get_invoice_exchange_map(self, invoices, payments):
 		sales_invoices = [
 			d.get("invoice_number") for d in invoices if d.get("invoice_type") == "Sales Invoice"
 		]
+
+		sales_invoices.extend(
+			[d.get("reference_name") for d in payments if d.get("reference_type") == "Sales Invoice"]
+		)
 		purchase_invoices = [
 			d.get("invoice_number") for d in invoices if d.get("invoice_type") == "Purchase Invoice"
 		]
+		purchase_invoices.extend(
+			[d.get("reference_name") for d in payments if d.get("reference_type") == "Purchase Invoice"]
+		)
+
 		invoice_exchange_map = frappe._dict()
 
 		if sales_invoices:
diff --git a/erpnext/accounts/doctype/payment_reconciliation/test_payment_reconciliation.py b/erpnext/accounts/doctype/payment_reconciliation/test_payment_reconciliation.py
index 00e3934..f9dda05 100644
--- a/erpnext/accounts/doctype/payment_reconciliation/test_payment_reconciliation.py
+++ b/erpnext/accounts/doctype/payment_reconciliation/test_payment_reconciliation.py
@@ -473,6 +473,11 @@
 		invoices = [x.as_dict() for x in pr.get("invoices")]
 		payments = [x.as_dict() for x in pr.get("payments")]
 		pr.allocate_entries(frappe._dict({"invoices": invoices, "payments": payments}))
+
+		# Cr Note and Invoice are of the same currency. There shouldn't any difference amount.
+		for row in pr.allocation:
+			self.assertEqual(flt(row.get("difference_amount")), 0.0)
+
 		pr.reconcile()
 
 		pr.get_unreconciled_entries()
@@ -506,6 +511,11 @@
 		payments = [x.as_dict() for x in pr.get("payments")]
 		pr.allocate_entries(frappe._dict({"invoices": invoices, "payments": payments}))
 		pr.allocation[0].allocated_amount = allocated_amount
+
+		# Cr Note and Invoice are of the same currency. There shouldn't any difference amount.
+		for row in pr.allocation:
+			self.assertEqual(flt(row.get("difference_amount")), 0.0)
+
 		pr.reconcile()
 
 		# assert outstanding