diff --git a/addons/account/models/account_journal.py b/addons/account/models/account_journal.py
index 0f1ea342223..e45dadc039e 100644
--- a/addons/account/models/account_journal.py
+++ b/addons/account/models/account_journal.py
@@ -351,7 +351,10 @@ class AccountJournal(models.Model):
             ) if string and is_encodable_as_ascii(string))
 
             if journal.company_id != self.env.ref('base.main_company'):
-                alias_name = f"{alias_name}-{journal.company_id.name}"
+                if is_encodable_as_ascii(journal.company_id.name):
+                    alias_name = f"{alias_name}-{journal.company_id.name}"
+                else:
+                    alias_name = f"{alias_name}-{journal.company_id.id}"
 
             alias_values = {
                 'alias_defaults': {
@@ -368,12 +371,13 @@ class AccountJournal(models.Model):
                 alias_values['alias_model_id'] = self.env['ir.model']._get('account.move').id
                 alias_values['alias_parent_model_id'] = self.env['ir.model']._get('account.journal').id
                 journal.alias_id = self.env['mail.alias'].sudo().create(alias_values)
+        self.invalidate_cache(['alias_name'], self.ids)
 
     @api.depends('name')
     def _compute_alias_domain(self):
         self.alias_domain = self.env["ir.config_parameter"].sudo().get_param("mail.catchall.domain")
 
-    @api.depends('alias_id')
+    @api.depends('alias_id', 'alias_id.alias_name')
     def _compute_alias_name(self):
         for journal in self:
             journal.alias_name = journal.alias_id.alias_name
diff --git a/addons/account/tests/test_account_journal.py b/addons/account/tests/test_account_journal.py
index 7a1fea30f61..daff0f410ff 100644
--- a/addons/account/tests/test_account_journal.py
+++ b/addons/account/tests/test_account_journal.py
@@ -135,3 +135,25 @@ class TestAccountJournal(AccountTestInvoicingCommon):
         second_method.unlink()
 
         self.assertFalse(second_method.exists())
+
+    def test_account_journal_alias_name(self):
+        journal = self.company_data['default_journal_purchase']
+        self.assertEqual(journal.alias_name, 'vendor-bills-company_1_data')
+        journal.name = 'ぁ'
+        journal.alias_name = False
+        self.assertEqual(journal.alias_name, 'bill-company_1_data')
+        journal.code = 'ぁ'
+        journal.alias_name = False
+        self.assertEqual(journal.alias_name, 'purchase-company_1_data')
+
+        company_2_id = str(self.company_data_2['company'].id)
+        journal_2 = self.company_data_2['default_journal_sale']
+        self.company_data_2['company'].name = 'ぁ'
+        journal_2.alias_name = False
+        self.assertEqual(journal_2.alias_name, 'customer-invoices-' + company_2_id)
+        journal_2.name = 'ぁ'
+        journal_2.alias_name = False
+        self.assertEqual(journal_2.alias_name, 'inv-' + company_2_id)
+        journal_2.code = 'ぁ'
+        journal_2.alias_name = False
+        self.assertEqual(journal_2.alias_name, 'sale-' + company_2_id)