diff --git a/system/src/Grav/Common/GPM/Remote/Package.php b/system/src/Grav/Common/GPM/Remote/Package.php
index a9293939a..6894480c9 100644
--- a/system/src/Grav/Common/GPM/Remote/Package.php
+++ b/system/src/Grav/Common/GPM/Remote/Package.php
@@ -30,6 +30,6 @@ class Package extends BasePackage implements \JsonSerializable
      */
     public function jsonSerialize()
     {
-        return $this->data;
+        return $this->data->toArray();
     }
 }