diff --git a/lib/api/folder_list.php b/lib/api/folder_list.php
--- a/lib/api/folder_list.php
+++ b/lib/api/folder_list.php
@@ -67,6 +67,8 @@
             // get folders from default driver
             if (!$this->rc->config->get('fileapi_backend_storage_disabled')) {
                 $folders = $this->folder_list($backend, $params);
+            } else {
+                $folders = array();
             }
         }
 
diff --git a/lib/drivers/seafile/seafile_api.php b/lib/drivers/seafile/seafile_api.php
--- a/lib/drivers/seafile/seafile_api.php
+++ b/lib/drivers/seafile/seafile_api.php
@@ -555,7 +555,8 @@
         }
 
         // first get upload link
-        $result = $this->request('GET', "repos/$repo_id/upload-link");
+        $parent_dir = '/';
+        $result = $this->request('GET', "repos/$repo_id/upload-link/?p=$parent_dir");
 
         if ($this->is_error() || empty($result)) {
             return false;
@@ -563,13 +564,14 @@
 
         $path     = explode('/', $filename);
         $filename = array_pop($path);
-        $dir      = '/' . ltrim(implode('/', $path), '/');
+        $dir      = ltrim(implode('/', $path), '/');
 
         $file['name'] = $filename;
 
         // then update file
         $result = $this->request('POST', $result, null, array(
-                'parent_dir' => $dir
+                'parent_dir' => $parent_dir,
+                'relative_path' => $dir
             ),
             array('file' => $file)
         );