diff --git a/base_search_custom_field_filter/tests/test_filter.py b/base_search_custom_field_filter/tests/test_filter.py
index d4d008bdcf..e2ccfc53b1 100644
--- a/base_search_custom_field_filter/tests/test_filter.py
+++ b/base_search_custom_field_filter/tests/test_filter.py
@@ -30,3 +30,41 @@ def test_1(self):
         """
             )
         )
+
+    def test_invalid_expression(self):
+        filter_form = Form(self.env["ir.ui.custom.field.filter"])
+        filter_form.model_id = self.env.ref("base.model_res_partner")
+        filter_form.name = "Invalid Expression"
+        with self.assertRaises(exceptions.ValidationError):
+            filter_form.expression = "invalid_expression"
+            filter_form.save()
+
+    def test_valid_expression(self):
+        filter_form = Form(self.env["ir.ui.custom.field.filter"])
+        filter_form.model_id = self.env.ref("base.model_res_partner")
+        filter_form.name = "Valid Expression"
+        filter_form.expression = "valid_expression"
+        filter_form.save()
+        arch = self.env["res.partner"].get_view(False, "search")["arch"]
+        search = etree.fromstring(arch)
+        self.assertTrue(
+            search.xpath(
+                """
+            //search
+            /field[@name="valid_expression"]
+        """
+            )
+        )
+
+    def test_duplicate_filter(self):
+        filter_form = Form(self.env["ir.ui.custom.field.filter"])
+        filter_form.model_id = self.env.ref("base.model_res_partner")
+        filter_form.name = "Duplicate Filter"
+        filter_form.expression = "duplicate_expression"
+        filter_form.save()
+        with self.assertRaises(exceptions.ValidationError):
+            duplicate_filter_form = Form(self.env["ir.ui.custom.field.filter"])
+            duplicate_filter_form.model_id = self.env.ref("base.model_res_partner")
+            duplicate_filter_form.name = "Duplicate Filter"
+            duplicate_filter_form.expression = "duplicate_expression"
+            duplicate_filter_form.save()
diff --git a/base_search_custom_field_filter/views/ir_ui_custom_field_filter_views.xml b/base_search_custom_field_filter/views/ir_ui_custom_field_filter_views.xml
index 6da2b1b06f..99966248eb 100644
--- a/base_search_custom_field_filter/views/ir_ui_custom_field_filter_views.xml
+++ b/base_search_custom_field_filter/views/ir_ui_custom_field_filter_views.xml
@@ -5,13 +5,13 @@
     <record id="view_ir_ui_custom_field_filter_form" model="ir.ui.view">
         <field name="model">ir.ui.custom.field.filter</field>
         <field name="arch" type="xml">
-            <tree editable="bottom">
+            <list editable="bottom">
                 <field name="sequence" widget="handle" />
                 <field name="model_id" options="{'no_create': True}" />
                 <field name="name" />
                 <field name="expression" />
                 <field name="position_after" />
-            </tree>
+            </list>
         </field>
     </record>