diff --git a/erpnext/accounts/doctype/bank_reconciliation_tool/bank_reconciliation_tool.js b/erpnext/accounts/doctype/bank_reconciliation_tool/bank_reconciliation_tool.js
index 0647a5c..d961ead 100644
--- a/erpnext/accounts/doctype/bank_reconciliation_tool/bank_reconciliation_tool.js
+++ b/erpnext/accounts/doctype/bank_reconciliation_tool/bank_reconciliation_tool.js
@@ -19,7 +19,7 @@
 
 	onload: function (frm) {
 		// Set default filter dates
-		today = frappe.datetime.get_today()
+		let today = frappe.datetime.get_today()
 		frm.doc.bank_statement_from_date = frappe.datetime.add_months(today, -1);
 		frm.doc.bank_statement_to_date = today;
 		frm.trigger('bank_account');