diff --git a/erpnext/accounts/doctype/bank_reconciliation_tool/test_bank_reconciliation_tool.py b/erpnext/accounts/doctype/bank_reconciliation_tool/test_bank_reconciliation_tool.py
index 5a6bb6976f..adf5925443 100644
--- a/erpnext/accounts/doctype/bank_reconciliation_tool/test_bank_reconciliation_tool.py
+++ b/erpnext/accounts/doctype/bank_reconciliation_tool/test_bank_reconciliation_tool.py
@@ -76,6 +76,7 @@ class TestBankReconciliationTool(AccountsTestMixin, FrappeTestCase):
 					"deposit": 100,
 					"bank_account": self.bank_account,
 					"reference_number": "123",
+					"currency": "INR",
 				}
 			)
 			.save()
diff --git a/erpnext/accounts/doctype/bank_transaction/bank_transaction.py b/erpnext/accounts/doctype/bank_transaction/bank_transaction.py
index c38d27355f..fef3b569ed 100644
--- a/erpnext/accounts/doctype/bank_transaction/bank_transaction.py
+++ b/erpnext/accounts/doctype/bank_transaction/bank_transaction.py
@@ -49,6 +49,24 @@ class BankTransaction(Document):
 
 	def validate(self):
 		self.validate_duplicate_references()
+		self.validate_currency()
+
+	def validate_currency(self):
+		"""
+		Bank Transaction should be on the same currency as the Bank Account.
+		"""
+		if self.currency and self.bank_account:
+			account = frappe.get_cached_value("Bank Account", self.bank_account, "account")
+			account_currency = frappe.get_cached_value("Account", account, "account_currency")
+
+			if self.currency != account_currency:
+				frappe.throw(
+					_(
+						"Transaction currency: {0} cannot be different from Bank Account({1}) currency: {2}"
+					).format(
+						frappe.bold(self.currency), frappe.bold(self.bank_account), frappe.bold(account_currency)
+					)
+				)
 
 	def set_status(self):
 		if self.docstatus == 2: