diff --git a/lib/private/Server.php b/lib/private/Server.php
index b84c001a20008..5964a979e215e 100644
--- a/lib/private/Server.php
+++ b/lib/private/Server.php
@@ -322,7 +322,7 @@ public function __construct($webRoot, \OC\Config $config) {
 			return new Profiler($c->get(SystemConfig::class));
 		});
 
-		$this->registerService(\OCP\Encryption\IManager::class, function (Server $c): Encryption\Manager {
+		$this->registerService(Encryption\Manager::class, function (Server $c): Encryption\Manager {
 			$view = new View();
 			$util = new Encryption\Util(
 				$view,
@@ -339,6 +339,7 @@ public function __construct($webRoot, \OC\Config $config) {
 				new ArrayCache()
 			);
 		});
+		$this->registerAlias(\OCP\Encryption\IManager::class, Encryption\Manager::class);
 
 		$this->registerService(IFile::class, function (ContainerInterface $c) {
 			$util = new Encryption\Util(