diff --git a/apps/files_versions/ajax/getVersions.php b/apps/files_versions/ajax/getVersions.php
index 53fc04625c..8a8fa43080 100644
--- a/apps/files_versions/ajax/getVersions.php
+++ b/apps/files_versions/ajax/getVersions.php
@@ -1,11 +1,11 @@
 <?php
 OCP\JSON::checkAppEnabled('files_versions');
 
-$userDirectory = "/".OCP\USER::getUser()."/files";
 $source = $_GET['source'];
+list ($uid, $filename) = OCA\Files_Versions\Storage::getUidAndFilename($source);
 
 $count = 5; //show the newest revisions
-if( ($versions = OCA\Files_Versions\Storage::getVersions( $source, $count)) ) {
+if( ($versions = OCA\Files_Versions\Storage::getVersions($uid, $filename, $count)) ) {
 
 	$versionsFormatted = array();
 
diff --git a/apps/files_versions/lib/versions.php b/apps/files_versions/lib/versions.php
index adbf2c1df7..abc5870a48 100644
--- a/apps/files_versions/lib/versions.php
+++ b/apps/files_versions/lib/versions.php
@@ -35,7 +35,7 @@ class Storage {
 		6 => array('intervalEndsAfter' => -1,      'step' => 604800),
 	);
 
-	private static function getUidAndFilename($filename) {
+	public static function getUidAndFilename($filename) {
 		$uid = \OC\Files\Filesystem::getOwner($filename);
 		\OC\Files\Filesystem::initMountPoints($uid);
 		if ( $uid != \OCP\User::getUser() ) {