diff --git a/account_reconcile_oca/models/account_bank_statement_line.py b/account_reconcile_oca/models/account_bank_statement_line.py
index 17eda9dc6c..64c2cf2ce0 100644
--- a/account_reconcile_oca/models/account_bank_statement_line.py
+++ b/account_reconcile_oca/models/account_bank_statement_line.py
@@ -561,9 +561,9 @@ def _reconcile_bank_line_keep(self, data):
 
     def unreconcile_bank_line(self):
         self.ensure_one()
-        return getattr(self, "_unreconcile_bank_line_%s" % self.reconcile_mode)(
-            self.reconcile_data_info["data"]
-        )
+        return getattr(
+            self, "_unreconcile_bank_line_%s" % (self.reconcile_mode or "edit")
+        )(self.reconcile_data_info["data"])
 
     def _unreconcile_bank_line_edit(self, data):
         self.action_undo_reconciliation()