diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index f44a02f..499cf8f 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -26,7 +26,7 @@ jobs:
             symfony: 6.4.*
           - php: '8.3'
             symfony: 7.0.*
-    name: PHP ${{ matrix.php }} SYMFONY (${{ matrix.symfony }})
+    name: PHP ${{ matrix.php }} SYMFONY ${{ matrix.symfony }}
     runs-on: ubuntu-20.04
     
     steps:
diff --git a/tests/Functional/IntegrationTest.php b/tests/Functional/IntegrationTest.php
index df42ae9..df5198e 100644
--- a/tests/Functional/IntegrationTest.php
+++ b/tests/Functional/IntegrationTest.php
@@ -271,7 +271,7 @@ protected function getClientDecorator()
         return $this->client->getContainer()->get('okvpn_datadog.client_test_decorator');
     }
 
-    protected static function assertContainsStr(string $needle, mixed $haystack, string $message = '')
+    protected static function assertContainsStr(string $needle, $haystack, string $message = '')
     {
         if (method_exists(__CLASS__, 'assertStringContainsString')) {
             self::assertStringContainsString($needle, $haystack, $message);