diff --git a/sale.xml b/sale.xml
index 0b2db36bc3..97efa16335 100644
--- a/sale.xml
+++ b/sale.xml
@@ -55,16 +55,16 @@ this repository contains the full copyright notices and license terms. -->
             <field name="action" ref="act_extra_relate"/>
         </record>
 
-        <record model="ir.rule.group" id="rule_group_extra">
-            <field name="name">User in company</field>
+        <record model="ir.rule.group" id="rule_group_extra_companies">
+            <field name="name">User in companies</field>
             <field name="model" search="[('model', '=', 'sale.extra')]"/>
             <field name="global_p" eval="True"/>
         </record>
-        <record model="ir.rule" id="rule_extra1">
+        <record model="ir.rule" id="rule_extra_companies">
             <field name="domain"
-                eval="[('company', '=', Eval('user', {}).get('company', None))]"
+                eval="[('company', 'in', Eval('companies', []))]"
                 pyson="1"/>
-            <field name="rule_group" ref="rule_group_extra"/>
+            <field name="rule_group" ref="rule_group_extra_companies"/>
         </record>
 
         <record model="ir.model.access" id="access_extra">
diff --git a/tests/test_sale_extra.py b/tests/test_sale_extra.py
index 907186d5f9..4a8908fc26 100644
--- a/tests/test_sale_extra.py
+++ b/tests/test_sale_extra.py
@@ -7,10 +7,10 @@ from trytond.tests.test_tryton import ModuleTestCase
 from trytond.tests.test_tryton import doctest_teardown
 from trytond.tests.test_tryton import doctest_checker
 
-from trytond.modules.company.tests import CompanyMultiValueTestMixin
+from trytond.modules.company.tests import CompanyTestMixin
 
 
-class SaleExtraTestCase(CompanyMultiValueTestMixin, ModuleTestCase):
+class SaleExtraTestCase(CompanyTestMixin, ModuleTestCase):
     'Test Sale Extra module'
     module = 'sale_extra'