account_usability.patch

diff --git a/account_usability/account.py b/account_usability/account.py
index cb322ad..3d51cf8 100644
--- a/account_usability/account.py
+++ b/account_usability/account.py
@@ -676,15 +676,23 @@ class AccountReconciliation(models.AbstractModel):
         return str_domain
 
     @api.model
-    def _domain_move_lines_for_reconciliation(
+    def _domain_move_lines_for_reconciliation_FIXME( # FIXME
             self, st_line, aml_accounts, partner_id,
             excluded_ids=None, search_str=False):
         domain = super()._domain_move_lines_for_reconciliation(
             st_line, aml_accounts, partner_id,
             excluded_ids=excluded_ids, search_str=search_str)
         # We want to replace a domain item by another one
-        position = domain.index(('payment_id', '<>', False))
-        domain[position] = ['journal_id', '=', st_line.journal_id.id]
+        if ('payment_id', '<>', False) in domain:
+            # True on official v12:
+            # https://github.com/odoo/odoo/blob/12.0/addons/account/models/reconciliation_widget.py#L490
+            position = domain.index(('payment_id', '<>', False))
+            domain[position] = ['journal_id', '=', st_line.journal_id.id]
+        else:
+            # OCB which has backport fixes from v13
+            # https://github.com/OCA/OCB/blob/12.0/addons/account/models/reconciliation_widget.py#L486
+            domain = expression.AND([domain, [('journal_id', '=', st_line.journal_id.id)]])
+
         return domain