diff --git a/actions/oauthconnectionssettings.php b/actions/oauthconnectionssettings.php
index b2e6f713a9..bcef773ac6 100644
--- a/actions/oauthconnectionssettings.php
+++ b/actions/oauthconnectionssettings.php
@@ -31,6 +31,7 @@ if (!defined('STATUSNET') && !defined('LACONICA')) {
     exit(1);
 }
 
+require_once INSTALLDIR . '/lib/applicationlist.php';
 require_once INSTALLDIR . '/lib/apioauthstore.php';
 
 /**