diff --git a/apps/files_external/tests/Service/BackendServiceTest.php b/apps/files_external/tests/Service/BackendServiceTest.php
index 43553db6985..6fca74124a5 100644
--- a/apps/files_external/tests/Service/BackendServiceTest.php
+++ b/apps/files_external/tests/Service/BackendServiceTest.php
@@ -15,12 +15,15 @@ use OCA\Files_External\Lib\Config\IBackendProvider;
 use OCA\Files_External\Service\BackendService;
 use OCP\IAppConfig;
 use PHPUnit\Framework\MockObject\MockObject;
+use Psr\Log\LoggerInterface;
 
 class BackendServiceTest extends \Test\TestCase {
 	protected IAppConfig&MockObject $appConfig;
+	protected LoggerInterface&MockObject $logger;
 
 	protected function setUp(): void {
 		$this->appConfig = $this->createMock(IAppConfig::class);
+		$this->logger = $this->createMock(LoggerInterface::class);
 	}
 
 	/**
@@ -46,7 +49,7 @@ class BackendServiceTest extends \Test\TestCase {
 	}
 
 	public function testRegisterBackend(): void {
-		$service = new BackendService($this->appConfig);
+		$service = new BackendService($this->appConfig, $this->logger);
 
 		$backend = $this->getBackendMock('\Foo\Bar');
 
@@ -72,7 +75,7 @@ class BackendServiceTest extends \Test\TestCase {
 	}
 
 	public function testBackendProvider(): void {
-		$service = new BackendService($this->appConfig);
+		$service = new BackendService($this->appConfig, $this->logger);
 
 		$backend1 = $this->getBackendMock('\Foo\Bar');
 		$backend2 = $this->getBackendMock('\Bar\Foo');
@@ -91,7 +94,7 @@ class BackendServiceTest extends \Test\TestCase {
 	}
 
 	public function testAuthMechanismProvider(): void {
-		$service = new BackendService($this->appConfig);
+		$service = new BackendService($this->appConfig, $this->logger);
 
 		$backend1 = $this->getAuthMechanismMock('\Foo\Bar');
 		$backend2 = $this->getAuthMechanismMock('\Bar\Foo');
@@ -110,7 +113,7 @@ class BackendServiceTest extends \Test\TestCase {
 	}
 
 	public function testMultipleBackendProviders(): void {
-		$service = new BackendService($this->appConfig);
+		$service = new BackendService($this->appConfig, $this->logger);
 
 		$backend1a = $this->getBackendMock('\Foo\Bar');
 		$backend1b = $this->getBackendMock('\Bar\Foo');
@@ -147,7 +150,7 @@ class BackendServiceTest extends \Test\TestCase {
 			->with('files_external', 'allow_user_mounting')
 			->willReturn(true);
 
-		$service = new BackendService($this->appConfig);
+		$service = new BackendService($this->appConfig, $this->logger);
 
 		$backendAllowed = $this->getBackendMock('\User\Mount\Allowed');
 		$backendAllowed->expects($this->never())
@@ -171,7 +174,7 @@ class BackendServiceTest extends \Test\TestCase {
 	}
 
 	public function testGetAvailableBackends(): void {
-		$service = new BackendService($this->appConfig);
+		$service = new BackendService($this->appConfig, $this->logger);
 
 		$backendAvailable = $this->getBackendMock('\Backend\Available');
 		$backendAvailable->expects($this->once())
@@ -212,7 +215,7 @@ class BackendServiceTest extends \Test\TestCase {
 	public function testRegisterConfigHandlerInvalid(array $placeholders): void {
 		$this->expectException(\RuntimeException::class);
 
-		$service = new BackendService($this->appConfig);
+		$service = new BackendService($this->appConfig, $this->logger);
 		$mock = $this->createMock(IConfigHandler::class);
 		$cb = function () use ($mock) {
 			return $mock;
@@ -223,7 +226,7 @@ class BackendServiceTest extends \Test\TestCase {
 	}
 
 	public function testConfigHandlers(): void {
-		$service = new BackendService($this->appConfig);
+		$service = new BackendService($this->appConfig, $this->logger);
 		$mock = $this->createMock(IConfigHandler::class);
 		$mock->expects($this->exactly(3))
 			->method('handle');