diff --git a/apps/workflowengine/lib/Entity/File.php b/apps/workflowengine/lib/Entity/File.php
index b6084266c5d98..7caaaf0e2258a 100644
--- a/apps/workflowengine/lib/Entity/File.php
+++ b/apps/workflowengine/lib/Entity/File.php
@@ -7,6 +7,7 @@
  *
  * @author Arthur Schiwon <blizzz@arthur-schiwon.de>
  * @author Christoph Wurst <christoph@winzerhof-wurst.at>
+ * @author Jonas Meurer <jonas@freesources.org>
  *
  * @license GNU AGPL version 3 or any later version
  *
@@ -27,6 +28,7 @@
 namespace OCA\WorkflowEngine\Entity;
 
 use OC\Files\Config\UserMountCache;
+use OC\Files\Mount\Manager as MountManager;
 use OCP\EventDispatcher\Event;
 use OCP\EventDispatcher\GenericEvent;
 use OCP\Files\InvalidPathException;
@@ -77,6 +79,8 @@ class File implements IEntity, IDisplayText, IUrl, IIcon, IContextPortation {
 	private $userManager;
 	/** @var UserMountCache */
 	private $userMountCache;
+	/** @var MountManager */
+	private $mountManager;
 
 	public function __construct(
 		IL10N $l10n,
@@ -86,7 +90,8 @@ public function __construct(
 		IUserSession $userSession,
 		ISystemTagManager $tagManager,
 		IUserManager $userManager,
-		UserMountCache $userMountCache
+		UserMountCache $userMountCache,
+		MountManager $mountManager
 	) {
 		$this->l10n = $l10n;
 		$this->urlGenerator = $urlGenerator;
@@ -96,6 +101,7 @@ public function __construct(
 		$this->tagManager = $tagManager;
 		$this->userManager = $userManager;
 		$this->userMountCache = $userMountCache;
+		$this->mountManager = $mountManager;
 	}
 
 	public function getName(): string {
@@ -148,10 +154,10 @@ public function isLegitimatedForUserId(string $uid): bool {
 				$fileId = $node->getId();
 			}
 
-			$mounts = $this->userMountCache->getMountsForFileId($fileId, $uid);
-			foreach ($mounts as $mount) {
-				$userFolder = $this->root->getUserFolder($uid);
-				if (!empty($userFolder->getById($fileId))) {
+			$mountInfos = $this->userMountCache->getMountsForFileId($fileId, $uid);
+			foreach ($mountInfos as $mountInfo) {
+				$mount = $this->mountManager->getMountFromMountInfo($mountInfo);
+				if ($mount && $mount->getStorage() && !empty($mount->getStorage()->getCache()->get($fileId))) {
 					return true;
 				}
 			}
diff --git a/apps/workflowengine/tests/ManagerTest.php b/apps/workflowengine/tests/ManagerTest.php
index 5f92c603e1475..b708d034df5f4 100644
--- a/apps/workflowengine/tests/ManagerTest.php
+++ b/apps/workflowengine/tests/ManagerTest.php
@@ -27,6 +27,7 @@
 namespace OCA\WorkflowEngine\Tests;
 
 use OC\Files\Config\UserMountCache;
+use OC\Files\Mount\Manager as MountManager;
 use OC\L10N\L10N;
 use OCA\WorkflowEngine\Entity\File;
 use OCA\WorkflowEngine\Helper\ScopeContext;
@@ -413,6 +414,7 @@ public function testUpdateOperation() {
 							$this->createMock(ISystemTagManager::class),
 							$this->createMock(IUserManager::class),
 							$this->createMock(UserMountCache::class),
+							$this->createMock(MountManager::class),
 						])
 						->setMethodsExcept(['getEvents'])
 						->getMock();
diff --git a/lib/private/Files/Config/UserMountCache.php b/lib/private/Files/Config/UserMountCache.php
index 9838b0a213cf0..8f26dedae22df 100644
--- a/lib/private/Files/Config/UserMountCache.php
+++ b/lib/private/Files/Config/UserMountCache.php
@@ -463,7 +463,7 @@ public function getMountForPath(IUser $user, string $path): ICachedMountInfo {
 		}, $mounts);
 		$mounts = array_combine($mountPoints, $mounts);
 
-		$current = $path;
+		$current = rtrim($path, '/');
 		// walk up the directory tree until we find a path that has a mountpoint set
 		// the loop will return if a mountpoint is found or break if none are found
 		while (true) {
diff --git a/lib/private/Files/Mount/Manager.php b/lib/private/Files/Mount/Manager.php
index 805cce658a678..e623211cc7abe 100644
--- a/lib/private/Files/Mount/Manager.php
+++ b/lib/private/Files/Mount/Manager.php
@@ -10,6 +10,7 @@
  * @author Robin Appelman <robin@icewind.nl>
  * @author Robin McCorkell <robin@mccorkell.me.uk>
  * @author Roeland Jago Douma <roeland@famdouma.nl>
+ * @author Jonas <jonas@freesources.org>
  *
  * @license AGPL-3.0
  *
@@ -33,6 +34,7 @@
 use OC\Files\Filesystem;
 use OC\Files\SetupManager;
 use OC\Files\SetupManagerFactory;
+use OCP\Files\Config\ICachedMountInfo;
 use OCP\Files\Mount\IMountManager;
 use OCP\Files\Mount\IMountPoint;
 use OCP\Files\NotFoundException;
@@ -226,4 +228,21 @@ public function getMountsByMountProvider(string $path, array $mountProviders) {
 			});
 		}
 	}
+
+	/**
+	 * Return the mount matching a cached mount info (or mount file info)
+	 *
+	 * @param ICachedMountInfo $info
+	 *
+	 * @return IMountPoint|null
+	 */
+	public function getMountFromMountInfo(ICachedMountInfo $info): ?IMountPoint {
+		$this->setupManager->setupForPath($info->getMountPoint());
+		foreach ($this->mounts as $mount) {
+			if ($mount->getMountPoint() === $info->getMountPoint()) {
+				return $mount;
+			}
+		}
+		return null;
+	}
 }