diff --git a/backend/controllers/ExpressTemplateController.php b/backend/controllers/ExpressTemplateController.php
index a03621e..bcd97c2 100644
--- a/backend/controllers/ExpressTemplateController.php
+++ b/backend/controllers/ExpressTemplateController.php
@@ -71,6 +71,7 @@ class ExpressTemplateController extends Controller
     public function actionCreate()
     {
         $model = new ExpressTemplate();
+        $model->calculation = ExpressTemplate::CALCULATION_NUMBER;
 
         if (Yii::$app->request->isPost) {
             $data = Yii::$app->request->post('ExpressTemplate');