diff --git a/plugins/kolab_auth/kolab_auth.php b/plugins/kolab_auth/kolab_auth.php
index c25e694a..84cf227b 100644
--- a/plugins/kolab_auth/kolab_auth.php
+++ b/plugins/kolab_auth/kolab_auth.php
@@ -43,7 +43,7 @@ class kolab_auth extends rcube_plugin
 
         // Hooks related to "Login As" feature
         $this->add_hook('template_object_loginform', array($this, 'login_form'));
-        $this->add_hook('storage_connect', array($this, 'imap_connect'));
+        $this->add_hook('imap_connect', array($this, 'imap_connect'));
         $this->add_hook('managesieve_connect', array($this, 'imap_connect'));
         $this->add_hook('smtp_connect', array($this, 'smtp_connect'));