diff --git a/src/lib/Form/EventListener/DisableSiteRootCheckboxIfRootLocationListener.php b/src/lib/Form/EventListener/DisableSiteRootCheckboxIfRootLocationListener.php
index 7ffa4e9f05..26187e00a2 100644
--- a/src/lib/Form/EventListener/DisableSiteRootCheckboxIfRootLocationListener.php
+++ b/src/lib/Form/EventListener/DisableSiteRootCheckboxIfRootLocationListener.php
@@ -16,7 +16,7 @@
     public function onPreSetData(FormEvent $event): void
     {
         $location = $event->getData()->getLocation();
-        if (null === $location || 1 >= $location->depth) {
+        if (null === $location || 1 < $location->getDepth()) {
             return;
         }
 
diff --git a/tests/lib/Form/EventListener/DisableSiteRootCheckboxIfRootLocationListenerTest.php b/tests/lib/Form/EventListener/DisableSiteRootCheckboxIfRootLocationListenerTest.php
new file mode 100644
index 0000000000..bac1f5078b
--- /dev/null
+++ b/tests/lib/Form/EventListener/DisableSiteRootCheckboxIfRootLocationListenerTest.php
@@ -0,0 +1,116 @@
+<?php
+
+/**
+ * @copyright Copyright (C) Ibexa AS. All rights reserved.
+ * @license For full copyright and license information view LICENSE file distributed with this source code.
+ */
+
+namespace Ibexa\Tests\AdminUi\Form\EventListener;
+
+use Ibexa\AdminUi\Form\Data\Content\CustomUrl\CustomUrlAddData;
+use Ibexa\AdminUi\Form\EventListener\DisableSiteRootCheckboxIfRootLocationListener;
+use Ibexa\Core\Repository\Values\Content\Location;
+use PHPUnit\Framework\TestCase;
+use Symfony\Component\Form\Extension\Core\Type\CheckboxType;
+use Symfony\Component\Form\FormEvent;
+use Symfony\Component\Form\FormInterface;
+
+class DisableSiteRootCheckboxIfRootLocationListenerTest extends TestCase
+{
+    public function testAddsCheckboxForRootLocation(): void
+    {
+        $location = $this->createMock(Location::class);
+        $location
+            ->method('getDepth')
+            ->willReturn(1);
+
+        $data = new CustomUrlAddData($location);
+        $form = $this->createMock(FormInterface::class);
+
+        $form
+            ->expects(self::once())
+            ->method('add')
+            ->with(
+                'site_root',
+                CheckboxType::class,
+                [
+                    'required' => false,
+                    'label' => false,
+                    'disabled' => true,
+                ]
+            );
+
+        $event = $this->createMock(FormEvent::class);
+
+        $event
+            ->method('getData')
+            ->willReturn($data);
+
+        $event
+            ->method('getForm')
+            ->willReturn($form);
+
+        $listener = new DisableSiteRootCheckboxIfRootLocationListener();
+
+        $listener->onPreSetData($event);
+    }
+
+    public function testDoesNothingWhenLocationIsNull(): void
+    {
+        $data = new CustomUrlAddData();
+        $form = $this->createMock(FormInterface::class);
+
+        $form
+            ->expects(self::never())
+            ->method('add');
+
+        $event = $this->createMock(FormEvent::class);
+
+        $event
+            ->method('getData')
+            ->willReturn($data);
+
+        $event
+            ->method('getForm')
+            ->willReturn($form);
+
+        $listener = new DisableSiteRootCheckboxIfRootLocationListener();
+
+        $listener->onPreSetData($event);
+
+        $form = $event->getForm();
+
+        self::assertNotTrue($form->has('site_root'));
+    }
+
+    public function testDoesNothingWhenLocationDepthIsGreaterThanOne(): void
+    {
+        $location = $this->createMock(Location::class);
+        $location
+            ->method('getDepth')
+            ->willReturn(2);
+
+        $data = new CustomUrlAddData($location);
+              $form = $this->createMock(FormInterface::class);
+
+        $form
+            ->expects(self::never())
+            ->method('add');
+
+        $event = $this->createMock(FormEvent::class);
+
+        $event
+            ->method('getData')
+            ->willReturn($data);
+
+        $event
+            ->method('getForm')
+            ->willReturn($form);
+
+        $listener = new DisableSiteRootCheckboxIfRootLocationListener();
+
+        $listener->onPreSetData($event);
+
+        self::assertNotTrue($form->has('site_root'));
+    }
+}