diff --git a/kapital_bank/bank_api.py b/kapital_bank/bank_api.py
index b1eabe0..d26c970 100644
--- a/kapital_bank/bank_api.py
+++ b/kapital_bank/bank_api.py
@@ -1307,6 +1307,7 @@ def get_statement_transactions(from_date, to_date, account_iban, login_name=None
                 "contr_voen": contr_voen,
                 "amount": amount,
                 "currency": currency,
+                "kb_currency": (txn.get("acCcy") or "").strip(),
                 "drcr": dr_cr or "D",
                 "purpose": purpose,
                 "source_type": "account",
@@ -2157,6 +2158,10 @@ def _import_one_bank_transaction(txn_data, settings, voen_to_party, name_to_part
 
     bt.bank_account = bank_account
 
+    kb_currency = (txn_data.get("kb_currency") or "").strip()
+    if kb_currency:
+        bt.kb_currency = kb_currency
+
     if party_type and erp_party:
         bt.party_type = party_type
         bt.party = erp_party
diff --git a/kapital_bank/kapital_bank/doctype/kapital_bank_transaction_mapping/kapital_bank_transaction_mapping.json b/kapital_bank/kapital_bank/doctype/kapital_bank_transaction_mapping/kapital_bank_transaction_mapping.json
index 930c277..2190846 100644
--- a/kapital_bank/kapital_bank/doctype/kapital_bank_transaction_mapping/kapital_bank_transaction_mapping.json
+++ b/kapital_bank/kapital_bank/doctype/kapital_bank_transaction_mapping/kapital_bank_transaction_mapping.json
@@ -15,6 +15,7 @@
   "paid_to",
   "cost_center",
   "multi_currency",
+  "currency",
   "notes"
  ],
  "fields": [
@@ -40,6 +41,13 @@
    "label": "Payment Type",
    "options": "\nPay\nReceive"
   },
+  {
+   "fieldname": "currency",
+   "fieldtype": "Link",
+   "in_list_view": 1,
+   "label": "Currency",
+   "options": "Currency"
+  },
   {
    "fieldname": "counterparty_type",
    "fieldtype": "Select",
@@ -94,7 +102,7 @@
  ],
  "istable": 1,
  "links": [],
- "modified": "2026-03-12 16:52:06.237239",
+ "modified": "2026-03-13 21:17:53.087843",
  "modified_by": "Administrator",
  "module": "Kapital Bank",
  "name": "Kapital Bank Transaction Mapping",
diff --git a/kapital_bank/mapping.py b/kapital_bank/mapping.py
index b84f3ea..8487785 100644
--- a/kapital_bank/mapping.py
+++ b/kapital_bank/mapping.py
@@ -214,6 +214,9 @@ def _find_mapping_for_txn(txn, transaction_mappings, purpose_text_cache):
 	txn_purpose = (txn.get("purpose") or "").lower()
 	txn_party = (txn.get("party") or "").lower()
 
+	bt_name = txn.get("bank_transaction_name")
+	txn_kb_currency = (frappe.db.get_value("Bank Transaction", bt_name, "kb_currency") or "").strip().upper() if bt_name else ""
+
 	both_rules = []
 	purpose_only_rules = []
 	counterparty_only_rules = []
@@ -224,6 +227,9 @@ def _find_mapping_for_txn(txn, transaction_mappings, purpose_text_cache):
 			continue
 		if row.payment_type and row.payment_type != payment_type:
 			continue
+		row_currency = (row.currency or "").strip().upper()
+		if row_currency and row_currency != txn_kb_currency:
+			continue
 
 		has_purpose = bool(row.purpose_keyword)
 		has_counterparty = bool(row.counterparty)
diff --git a/kapital_bank/setup.py b/kapital_bank/setup.py
index 2cc7e61..a776512 100644
--- a/kapital_bank/setup.py
+++ b/kapital_bank/setup.py
@@ -3,10 +3,12 @@ import frappe
 
 def after_install():
     cleanup_payment_entry_custom_fields()
+    ensure_bank_transaction_custom_fields()
 
 
 def after_migrate():
     cleanup_payment_entry_custom_fields()
+    ensure_bank_transaction_custom_fields()
 
 
 KB_FIELDS = [
@@ -16,6 +18,20 @@ KB_FIELDS = [
 ]
 
 
+def ensure_bank_transaction_custom_fields():
+    if not frappe.db.exists("Custom Field", {"dt": "Bank Transaction", "fieldname": "kb_currency"}):
+        cf = frappe.new_doc("Custom Field")
+        cf.dt = "Bank Transaction"
+        cf.fieldname = "kb_currency"
+        cf.fieldtype = "Link"
+        cf.options = "Currency"
+        cf.label = "KB Currency"
+        cf.insert_after = "currency"
+        cf.read_only = 0
+        cf.insert(ignore_permissions=True)
+    frappe.db.commit()
+
+
 def cleanup_payment_entry_custom_fields():
     for fieldname in KB_FIELDS:
         if frappe.db.exists("Custom Field", {"dt": "Payment Entry", "fieldname": fieldname}):