diff --git a/source/lib/SihnonFramework/Auth/Plugin/FlatFile.class.php b/source/lib/SihnonFramework/Auth/Plugin/FlatFile.class.php
index 0502fc8..de8f856 100644
--- a/source/lib/SihnonFramework/Auth/Plugin/FlatFile.class.php
+++ b/source/lib/SihnonFramework/Auth/Plugin/FlatFile.class.php
@@ -47,7 +47,7 @@ class SihnonFramework_Auth_Plugin_FlatFile
     */
     
     public function addUser($username, $password) {
-        return Sihnon_Auth_Plugin_Config_User::add($username, $password);
+        return Sihnon_Auth_Plugin_FlatFile_User::add($username, $password);
     }
     
     public function removeUser(Sihnon_Auth_IUser $user) {