diff --git a/lib/Service/SocialApiService.php b/lib/Service/SocialApiService.php
index a4db7c593..8e948c9ab 100644
--- a/lib/Service/SocialApiService.php
+++ b/lib/Service/SocialApiService.php
@@ -11,10 +11,7 @@
 
 use OCA\Contacts\AppInfo\Application;
 use OCA\Contacts\Service\Social\CompositeSocialProvider;
-
-use OCA\DAV\CardDAV\CardDavBackend;
 use OCA\DAV\CardDAV\ContactsManager;
-use OCA\DAV\Db\PropertyMapper;
 use OCP\AppFramework\Http;
 use OCP\AppFramework\Http\JSONResponse;
 use OCP\AppFramework\Utility\ITimeFactory;
@@ -24,21 +21,21 @@
 use OCP\IConfig;
 use OCP\IL10N;
 use OCP\IURLGenerator;
+use Psr\Container\ContainerInterface;
 
 class SocialApiService {
 	private $appName;
 
 	public function __construct(
 		private CompositeSocialProvider $socialProvider,
+		private ContainerInterface $serverContainer,
 		private IManager $manager,
 		private IConfig $config,
 		private IClientService $clientService,
 		private IL10N $l10n,
 		private IURLGenerator $urlGen,
-		private CardDavBackend $davBackend,
 		private ITimeFactory $timeFactory,
 		private ImageResizer $imageResizer,
-		private PropertyMapper $propertyMapper,
 	) {
 		$this->appName = Application::APP_ID;
 	}
@@ -116,7 +113,7 @@ protected function getAddressBook(string $addressbookId, ?IManager $manager = nu
 	 * @param {IManager} the contact manager to load
 	 */
 	protected function registerAddressbooks($userId, IManager $manager) {
-		$coma = new ContactsManager($this->davBackend, $this->l10n, $this->propertyMapper);
+		$coma = $this->serverContainer->get(ContactsManager::class);
 		$coma->setupContactsProvider($manager, $userId, $this->urlGen);
 		$this->manager = $manager;
 	}
@@ -228,9 +225,8 @@ public function updateContact(string $addressbookId, string $contactId, ?string
 	 */
 	public function existsAddressBook(string $searchBookId, string $userId): bool {
 		$manager = $this->manager;
-		$coma = new ContactsManager($this->davBackend, $this->l10n, $this->propertyMapper);
+		$coma = $this->serverContainer->get(ContactsManager::class);
 		$coma->setupContactsProvider($manager, $userId, $this->urlGen);
-		$addressBooks = $manager->getUserAddressBooks();
 		return $this->getAddressBook($searchBookId, $manager) !== null;
 	}
 
@@ -246,7 +242,7 @@ public function existsAddressBook(string $searchBookId, string $userId): bool {
 	public function existsContact(string $searchContactId, string $searchBookId, string $userId): bool {
 		// load address books for the user
 		$manager = $this->manager;
-		$coma = new ContactsManager($this->davBackend, $this->l10n, $this->propertyMapper);
+		$coma = $this->serverContainer->get(ContactsManager::class);
 		$coma->setupContactsProvider($manager, $userId, $this->urlGen);
 		$addressBook = $this->getAddressBook($searchBookId, $manager);
 		if ($addressBook == null) {
diff --git a/tests/unit/Service/SocialApiServiceTest.php b/tests/unit/Service/SocialApiServiceTest.php
index 7873ac0e6..57b2fb3f3 100644
--- a/tests/unit/Service/SocialApiServiceTest.php
+++ b/tests/unit/Service/SocialApiServiceTest.php
@@ -8,11 +8,11 @@
 namespace OCA\Contacts\Service;
 
 use ChristophWurst\Nextcloud\Testing\TestCase;
-use OCA\Contacts\Service\Social\CompositeSocialProvider;
 
+use OCA\Contacts\Service\Social\CompositeSocialProvider;
 use OCA\Contacts\Service\Social\ISocialProvider;
-use OCA\DAV\CardDAV\CardDavBackend;
-use OCA\DAV\Db\PropertyMapper;
+use OCA\DAV\CardDAV\ContactsManager;
+
 use OCP\AppFramework\Http;
 use OCP\AppFramework\Utility\ITimeFactory;
 use OCP\Contacts\IManager;
@@ -23,9 +23,10 @@
 use OCP\IConfig;
 use OCP\IL10N;
 use OCP\IURLGenerator;
-
 use OCP\Util;
+
 use PHPUnit\Framework\MockObject\MockObject;
+use Psr\Container\ContainerInterface;
 
 class SocialApiServiceTest extends TestCase {
 	private SocialApiService $service;
@@ -42,14 +43,12 @@ class SocialApiServiceTest extends TestCase {
 	private $l10n;
 	/** @var IURLGenerator&MockObject */
 	private $urlGen;
-	/** @var CardDavBackend&MockObject */
-	private $davBackend;
 	/** @var ITimeFactory&MockObject */
 	private $timeFactory;
 	/** @var ImageResizer&MockObject */
 	private $imageResizer;
-	/** @var PropertyMapper&MockObject */
-	private $propertyMapper;
+	/** @var ContainerInterface&MockObject */
+	private $container;
 
 	public function allSocialProfileProviders(): array {
 		$body = 'the body';
@@ -113,21 +112,22 @@ protected function setUp(): void {
 		$this->clientService = $this->createMock(IClientService::class);
 		$this->l10n = $this->createMock(IL10N::class);
 		$this->urlGen = $this->createMock(IURLGenerator::class);
-		$this->davBackend = $this->createMock(CardDavBackend::class);
 		$this->timeFactory = $this->createMock(ITimeFactory::class);
 		$this->imageResizer = $this->createMock(ImageResizer::class);
-		$this->propertyMapper = $this->createMock(PropertyMapper::class);
+		$this->container = $this->createMock(ContainerInterface::class);
+		$this->container
+			->method('get')
+			->willReturn($this->createMock(ContactsManager::class));
 		$this->service = new SocialApiService(
 			$this->socialProvider,
+			$this->container,
 			$this->manager,
 			$this->config,
 			$this->clientService,
 			$this->l10n,
 			$this->urlGen,
-			$this->davBackend,
 			$this->timeFactory,
 			$this->imageResizer,
-			$this->propertyMapper,
 		);
 	}