diff --git a/addons/account/models/account_journal_dashboard.py b/addons/account/models/account_journal_dashboard.py
index bdd7046db4f..2f469383b8b 100644
--- a/addons/account/models/account_journal_dashboard.py
+++ b/addons/account/models/account_journal_dashboard.py
@@ -687,7 +687,7 @@ class account_journal(models.Model):
             elif self.type == 'purchase':
                 action['domain'] = [(domain_type_field, 'in', ('in_invoice', 'in_refund', 'in_receipt', 'entry'))]
 
-        action['domain'] = action['domain'] + [('journal_id', '=', self.id)]
+        action['domain'] = (action['domain'] or []) + [('journal_id', '=', self.id)]
         return action
 
     def open_spend_money(self):