diff --git a/kapital_bank/mapping.py b/kapital_bank/mapping.py
index cc4bd9f..553621d 100644
--- a/kapital_bank/mapping.py
+++ b/kapital_bank/mapping.py
@@ -459,8 +459,13 @@ def _create_journal_entry_for_brt(txn, paid_from, paid_to, bank_txn, multi_curre
 		is_multi = from_currency != company_currency or to_currency != company_currency
 
 		currency_precision = cint(frappe.db.get_single_value("System Settings", "currency_precision") or 2)
-		# Use currency from the selected mapping; fall back to company currency
-		txn_currency = (mapping_currency or txn.get("currency") or company_currency).strip()
+		# Use currency from: mapping row → bank transaction kb_currency → company currency
+		txn_currency = (
+			mapping_currency
+			or txn.get("currency")
+			or (getattr(bank_txn, "kb_currency", None) or "")
+			or company_currency
+		).strip()
 
 		# Exchange rates: account_currency → company_currency
 		from_rate = 1 if from_currency == company_currency else get_exchange_rate(from_currency, company_currency, posting_date)