diff --git a/src/Appwrite/Migration/Version/V06.php b/src/Appwrite/Migration/Version/V06.php
index 90cdb3e2a9..60bb8d3471 100644
--- a/src/Appwrite/Migration/Version/V06.php
+++ b/src/Appwrite/Migration/Version/V06.php
@@ -34,8 +34,8 @@ class V06 extends Migration
                 break;
             case Database::SYSTEM_COLLECTION_KEYS:
                 if ($document->getAttribute('secret', null)) {
-                    $json = \json_decode($document->getAttribute('secret'));
-                    if ($json->{'data'} || $json->{'method'} || $json->{'iv'} || $json->{'tag'} || $json->{'version'})
+                    $json = \json_decode($document->getAttribute('secret'), true);
+                    if ($json['data'] || $json['method'] || $json['iv'] || $json['tag'] || $json['version'])
                     {
                         Console::log('Secret already encrypted. Skipped: ' . $document->getId());
                         break;