diff --git a/app/controllers/module/module.php b/app/controllers/module/module.php
index 056566be751af3959e0675057c727b674f2c8676..2c2fa356dee5ce31ae5c00cec06c3d999f767e5b 100644
--- a/app/controllers/module/module.php
+++ b/app/controllers/module/module.php
@@ -604,6 +604,7 @@ class Module_ModuleController extends MVVController
                 return;
             }
             $this->modulteil = new Modulteil();
+            $this->modulteil->setNewId();
             $this->modulteil->modul_id = $this->modul->id;
         } else {
             $this->modul = $this->modulteil->modul;