diff --git a/~dev_rating/application/classes/Controller/Teacher/Discipline.php b/~dev_rating/application/classes/Controller/Teacher/Discipline.php
index 0d6b4bd6a82204426f9b891c6c4061dac97e8f59..90b11281022bb25fe8f38d4434ca5185c9461070 100644
--- a/~dev_rating/application/classes/Controller/Teacher/Discipline.php
+++ b/~dev_rating/application/classes/Controller/Teacher/Discipline.php
@@ -198,7 +198,7 @@ class Controller_Teacher_Discipline extends Controller_UserEnvi {
         return $mapHandled;
     }
     
-    public function GetDisciplineInfo($db, $id)
+    public function GetDisciplineInfo(Model_Teacher_Map $db, $id)
     {
         $info = $db->getDisciplineInfoByID($id);