diff --git a/OwnCloudPlugin.class.php b/OwnCloudPlugin.class.php
index 6408617df7c32c7ea78487da665617f6378b425c..86a955ce6dc0699182aca43260406ce97c1c6deb 100755
--- a/OwnCloudPlugin.class.php
+++ b/OwnCloudPlugin.class.php
@@ -6,6 +6,16 @@ require_once __DIR__."/classes/OwncloudFolder.php";
 
 class OwnCloudPlugin extends StudIPPlugin implements FilesystemPlugin {
 
+
+    public function __construct()
+    {
+        //Make the plugin classes available:
+        class_exists('Owncloud\OAuth');
+        class_exists('OwncloudFile');
+        class_exists('OwncloudFolder');
+        parent::__construct();
+    }
+
     public function getFileSelectNavigation()
     {
         $nav = new Navigation(Config::get()->OWNCLOUD_NAME);
diff --git a/classes/OwncloudFolder.php b/classes/OwncloudFolder.php
index 8a0df6ebe76dd6a231725b67b808440c1f8aab3c..e2f84019973c7efc126673434ed4bb0f7272d015 100755
--- a/classes/OwncloudFolder.php
+++ b/classes/OwncloudFolder.php
@@ -562,5 +562,4 @@ class OwncloudFolder extends VirtualFolderType {
     {
         return [];
     }
-
 }