diff --git a/src/app/backend/controllers/DiscountController.php b/src/app/backend/controllers/DiscountController.php
index a7f8b18..254b956 100644
--- a/src/app/backend/controllers/DiscountController.php
+++ b/src/app/backend/controllers/DiscountController.php
@@ -148,7 +148,7 @@ class DiscountController extends Controller
         if( $this->request->isPost() ) {
 
             $data[0]['name']        = $this->request->getPost('name', 'string', NULL );
-            $data[0]['discount']    = $this->request->getPost('discount', 'string', NULL );
+            $data[0]['discount']    = $this->request->getPost('discount', 'integer', 0 );
             $data[0]['start_date']  = $this->request->getPost('start_date');
             $data[0]['end_date']    = $this->request->getPost('end_date');
             $data[0]['description'] = $this->request->getPost('description');
--
libgit2 0.21.4