fix: difference amount calculation for company currency accounts
diff --git a/erpnext/accounts/doctype/payment_reconciliation/payment_reconciliation.py b/erpnext/accounts/doctype/payment_reconciliation/payment_reconciliation.py
index e3d9c26..c9e3998 100644
--- a/erpnext/accounts/doctype/payment_reconciliation/payment_reconciliation.py
+++ b/erpnext/accounts/doctype/payment_reconciliation/payment_reconciliation.py
@@ -221,12 +221,15 @@
 
 	def get_difference_amount(self, payment_entry, invoice, allocated_amount):
 		difference_amount = 0
-		if invoice.get("exchange_rate") and payment_entry.get("exchange_rate", 1) != invoice.get(
-			"exchange_rate", 1
-		):
-			allocated_amount_in_ref_rate = payment_entry.get("exchange_rate", 1) * allocated_amount
-			allocated_amount_in_inv_rate = invoice.get("exchange_rate", 1) * allocated_amount
-			difference_amount = allocated_amount_in_ref_rate - allocated_amount_in_inv_rate
+		if frappe.get_cached_value(
+			"Account", self.receivable_payable_account, "account_currency"
+		) != frappe.get_cached_value("Company", self.company, "default_currency"):
+			if invoice.get("exchange_rate") and payment_entry.get("exchange_rate", 1) != invoice.get(
+				"exchange_rate", 1
+			):
+				allocated_amount_in_ref_rate = payment_entry.get("exchange_rate", 1) * allocated_amount
+				allocated_amount_in_inv_rate = invoice.get("exchange_rate", 1) * allocated_amount
+				difference_amount = allocated_amount_in_ref_rate - allocated_amount_in_inv_rate
 
 		return difference_amount