diff --git a/lib/public/share.php b/lib/public/share.php
index 525fe7e8533..a561319e9bd 100644
--- a/lib/public/share.php
+++ b/lib/public/share.php
@@ -875,7 +875,10 @@ class Share {
 					$row['path'] = '/Shared/'.basename($row['path']);
 				} else {
 					if (!isset($mounts[$row['storage']])) {
-						$mounts[$row['storage']] = \OC\Files\Filesystem::getMountByNumericId($row['storage']);
+						$mountPoints = \OC\Files\Filesystem::getMountByNumericId($row['storage']);
+						if (is_array($mountPoints)) {
+							$mounts[$row['storage']] = $mountPoints[key($mountPoints)];
+						}
 					}
 					if ($mounts[$row['storage']]) {
 						$path = $mounts[$row['storage']]->getMountPoint().$row['path'];