3 files changed, 3 insertions, 3 deletions
diff --git a/lib/files/node/file.php b/lib/files/node/file.php
index 0ad5d68ec66..f13b474aa6c 100644
--- a/lib/files/node/file.php
+++ b/lib/files/node/file.php
@@ -10,7 +10,7 @@ namespace OC\Files\Node;
 
 use OC\Files\NotPermittedException;
 
-class File extends Node {
+class File extends Node implements \OCP\Files\Node\File {
 	/**
 	 * @return string
 	 * @throws \OC\Files\NotPermittedException
diff --git a/lib/files/node/folder.php b/lib/files/node/folder.php
index f710ae5ae9a..daf75d7c23e 100644
--- a/lib/files/node/folder.php
+++ b/lib/files/node/folder.php
@@ -13,7 +13,7 @@ use OC\Files\Cache\Scanner;
 use OC\Files\NotFoundException;
 use OC\Files\NotPermittedException;
 
-class Folder extends Node {
+class Folder extends Node implements \OCP\Files\Node\Folder {
 	/**
 	 * @param string $path path relative to the folder
 	 * @return string
diff --git a/lib/files/node/node.php b/lib/files/node/node.php
index a1db042c25c..5ee9f23161f 100644
--- a/lib/files/node/node.php
+++ b/lib/files/node/node.php
@@ -15,7 +15,7 @@ use OC\Files\NotPermittedException;
 
 require_once 'files/exceptions.php';
 
-class Node {
+class Node implements \OCP\Files\Node\Node {
 	/**
 	 * @var \OC\Files\View $view
 	 */