diff --git a/Controller/OpauthAppController.php b/Controller/OpauthAppController.php
index e3afd46..5c065a6 100644
--- a/Controller/OpauthAppController.php
+++ b/Controller/OpauthAppController.php
@@ -54,10 +54,10 @@ public function callback(){
 				}
 				break;
 			case 'post':
-				$response = unserialize(base64_decode( $_POST['opauth'] ));
+				$response = json_decode( base64_decode($_POST['opauth']), true);
 				break;
 			case 'get':
-				$response = unserialize(base64_decode( $_GET['opauth'] ));
+				$response = json_decode( base64_decode($_GET['opauth']), true);
 				break;
 			default:
 				echo '<strong style="color: red;">Error: </strong>Unsupported callback_transport.'."<br>\n";