diff --git a/app/Classes/Modules/Billplzs/DataTransferObjects/BillplzXSignatureObject.php b/app/Classes/Modules/Billplzs/DataTransferObjects/BillplzXSignatureObject.php
index b705d75c..c1295886 100644
--- a/app/Classes/Modules/Billplzs/DataTransferObjects/BillplzXSignatureObject.php
+++ b/app/Classes/Modules/Billplzs/DataTransferObjects/BillplzXSignatureObject.php
@@ -24,6 +24,9 @@ class BillplzXSignatureObject implements DataTransferObject
     /** @var string  */
     private $billPlzComputedXSignature;
 
+    /** @var string */
+    private $type;
+
     /** @var Request  */
     private $request;
 
@@ -33,7 +36,9 @@ class BillplzXSignatureObject implements DataTransferObject
     public function __construct(Request $request)
     {
 
-        $this->request = $request->exists('billplz') ? $request->input('billplz') : $request;
+        $this->type = $request->exists('billplz') ? 'redirect' : 'callback';
+
+        $this->request = $this->type === 'redirect' ? $request->input('billplz') : $request;
 
         $this->billPlzId = $this->request['id'];
 
@@ -47,7 +52,7 @@ class BillplzXSignatureObject implements DataTransferObject
     private function _constructBillplzArray(){
 
         $this->billPlzConstructArray = collect($this->request)->forget('x_signature')->map(function($item, $key){
-            return $this->request->exists('billplz') ? 'billplz'.$key.$item : $key.$item;
+            return $this->type === 'redirect' ? 'billplz'.$key.$item : $key.$item;
         })->toArray();
 
         return $this;