diff --git a/plugins/kolab_files/kolab_files.php b/plugins/kolab_files/kolab_files.php
index 3f35075d..799210e4 100644
--- a/plugins/kolab_files/kolab_files.php
+++ b/plugins/kolab_files/kolab_files.php
@@ -36,6 +36,9 @@ class kolab_files extends rcube_plugin
     {
         $this->rc = rcube::get_instance();
 
+        // we use libkolab::http_request() from libkolab with its configuration
+        $this->require_plugin('libkolab');
+
         if (isset($this->rc->oauth)) {
             $this->rc->oauth->is_token_valid();
 
@@ -67,9 +70,6 @@ class kolab_files extends rcube_plugin
         $this->register_action('reset', [$this, 'actions']);
         $this->register_action('autocomplete', [$this, 'autocomplete']);
 
-        // we use libkolab::http_request() from libkolab with its configuration
-        $this->require_plugin('libkolab');
-
         // Load UI from startup hook
         $this->add_hook('startup', [$this, 'startup']);