diff --git a/account_statement_import_ofx_invert_type/models/__init__.py b/account_statement_import_ofx_invert_type/models/__init__.py
index 2388e11..16a78ca 100644
--- a/account_statement_import_ofx_invert_type/models/__init__.py
+++ b/account_statement_import_ofx_invert_type/models/__init__.py
@@ -1 +1,2 @@
 from . import account_journal
+from . import account_bank_statement_line
diff --git a/account_statement_import_ofx_invert_type/models/account_bank_statement_line.py b/account_statement_import_ofx_invert_type/models/account_bank_statement_line.py
new file mode 100644
index 0000000..fc98911
--- /dev/null
+++ b/account_statement_import_ofx_invert_type/models/account_bank_statement_line.py
@@ -0,0 +1,14 @@
+# Copyright 2024 KMEE
+# License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl).
+
+from odoo import fields, models
+
+
+class AccountBankStatementLine(models.Model):
+
+    _inherit = "account.bank.statement.line"
+
+    running_balance = fields.Monetary(
+        compute="_compute_running_balance",
+        store=True,
+    )