diff --git a/app/Controller/CouponController.php b/app/Controller/CouponController.php
index 069c9a2..ea72379 100644
--- a/app/Controller/CouponController.php
+++ b/app/Controller/CouponController.php
@@ -241,7 +241,7 @@ class CouponController extends BaseController
         $notAvailable = [];
         foreach ($data as $key => &$item) {
             if (in_array($item->id, $couponIds)) {
-                $notAvailable[] = $item;
+                $notAvailable[$item->id] = $item;
             } else {
                 $available[] = $item;
             }
@@ -249,7 +249,7 @@ class CouponController extends BaseController
 
         return $this->success([
             'available' => $available,
-            'not_available' => $notAvailable
+            'not_available' => array_values($notAvailable)
         ]);
 
     }