diff --git a/apps/files_external/tests/Service/BackendServiceTest.php b/apps/files_external/tests/Service/BackendServiceTest.php
index 7e00d0eab445f..b9c2b6defeb6a 100644
--- a/apps/files_external/tests/Service/BackendServiceTest.php
+++ b/apps/files_external/tests/Service/BackendServiceTest.php
@@ -23,6 +23,7 @@ class BackendServiceTest extends \Test\TestCase {
 	protected LoggerInterface&MockObject $logger;
 
 	protected function setUp(): void {
+		parent::setUp();
 		$this->appConfig = $this->createMock(IAppConfig::class);
 		$this->logger = $this->createMock(LoggerInterface::class);
 	}