diff --git a/Tests/Controller/CustomFieldsGroupControllerTest.php b/Tests/Controller/CustomFieldsGroupControllerTest.php
index 420c4bf4c..c2150abec 100644
--- a/Tests/Controller/CustomFieldsGroupControllerTest.php
+++ b/Tests/Controller/CustomFieldsGroupControllerTest.php
@@ -51,7 +51,10 @@ class CustomFieldsGroupControllerTest extends WebTestCase
     private function editCustomFieldsGroup(Client $client)
     {
         $crawler = $client->request('GET', '/fr/admin/customfieldsgroup/');
-        $links = $crawler->selectLink('modifier');
+        $links = $crawler->selectLink('Modifier');
+        
+        $this->assertGreaterThan(0, $links->count(), 
+                "We can't find a 'Modifier' link on the index page");
         $crawler = $client->click($links->last()->link());
 
         $this->assertEquals(200, $client->getResponse()->getStatusCode());