diff --git a/src/app/backend/controllers/DiscountController.php b/src/app/backend/controllers/DiscountController.php
index 1e56a07..e40cbd8 100644
--- a/src/app/backend/controllers/DiscountController.php
+++ b/src/app/backend/controllers/DiscountController.php
@@ -80,8 +80,8 @@ class DiscountController extends Controller
             $data['description']    = $this->request->getPost('description', 'string', NULL);
             $data['start_date']     = $this->request->getPost('start_date');
             $data['end_date']       = $this->request->getPost('end_date');
-            $data['start_date']     = date('Y-n-d', $data['start_date']);
-            $data['end_date']       = date('Y-n-d', $data['end_date']);
+            $data['start_date']     = date('Y-n-d', strtotime($data['start_date']));
+            $data['end_date']       = date('Y-n-d', strtotime($data['end_date']));
             $data['discount']       = $this->request->getPost('discount', 'int', NULL );
             $data['status']         = 1;
             $data['group_ids']      = $this->request->getPost('items', 'string', NULL );
--
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