1 files changed, 4 insertions, 3 deletions
diff --git a/matrix-specification/Responses/WellKnownMatrixSupportGetResponse.php b/matrix-specification/Responses/WellKnownMatrixSupportGetResponse.php
index f38e2b0..bdd971a 100644
--- a/matrix-specification/Responses/WellKnownMatrixSupportGetResponse.php
+++ b/matrix-specification/Responses/WellKnownMatrixSupportGetResponse.php
@@ -3,8 +3,9 @@
 namespace Matrix\Responses;
 
 use Matrix\Data\Contact;
+use Matrix\Response;
 
-class WellKnownMatrixSupportGetResponse implements \JsonSerializable
+class WellKnownMatrixSupportGetResponse extends Response
 {
   /**
    * @param Contact[] $contacts
@@ -23,11 +24,11 @@ class WellKnownMatrixSupportGetResponse implements \JsonSerializable
     }
   }
 
-  public function jsonSerialize(): array
+  public function getBody(): array
   {
     return array_filter([
       "contacts" => $this->contacts,
       "support_page" => $this->supportPage,
-    ], "is_null");
+    ], fn ($value) => ! is_null($value));
   }
 }