diff --git a/lib/private/AppFramework/DependencyInjection/DIContainer.php b/lib/private/AppFramework/DependencyInjection/DIContainer.php
index 22bcc00462..7719284786 100644
--- a/lib/private/AppFramework/DependencyInjection/DIContainer.php
+++ b/lib/private/AppFramework/DependencyInjection/DIContainer.php
@@ -152,6 +152,10 @@ class DIContainer extends SimpleContainer implements IAppContainer {
 			return $this->getServer()->getMountProviderCollection();
 		});
 
+		$this->registerService('OCP\\Files\\Config\\IUserMountCache', function($c) {
+			return $this->getServer()->getUserMountCache();
+		});
+
 		$this->registerService('OCP\\Files\\IRootFolder', function($c) {
 			return $this->getServer()->getRootFolder();
 		});
diff --git a/lib/private/Server.php b/lib/private/Server.php
index 05f25a7be8..245bbb338e 100644
--- a/lib/private/Server.php
+++ b/lib/private/Server.php
@@ -1289,6 +1289,11 @@ class Server extends ServerContainer implements IServerContainer {
 		return $this->query('MountManager');
 	}
 
+	/** @return \OCP\Files\Config\IUserMountCache */
+	function getUserMountCache() {
+		return $this->query('UserMountCache');
+	}
+
 	/**
 	 * Get the MimeTypeDetector
 	 *