diff --git a/main/inc/lib/conditionallogin.lib.php b/main/inc/lib/conditionallogin.lib.php
index ccd06b3d58..c89f0fa0a7 100644
--- a/main/inc/lib/conditionallogin.lib.php
+++ b/main/inc/lib/conditionallogin.lib.php
@@ -22,6 +22,7 @@ class ConditionalLogin {
   }
 
   public static function login(){
+    require_once (api_get_path(LIBRARY_PATH).'loginredirection.lib.php');
     $_SESSION['conditional_login']['can_login'] = true;
 		LoginRedirection::redirect();
     exit();