diff --git a/lib/Models/actor.dart b/lib/Models/actor.dart
index 58a24df..60496c9 100644
--- a/lib/Models/actor.dart
+++ b/lib/Models/actor.dart
@@ -49,7 +49,7 @@ class Actor {
         icon = getMedia(json["icon"]),
         publicKey = PublicKey.fromJson(json["publicKey"]),
         endpoints = Endpoints.fromJson(json["endpoints"]),
-        published = DateTime.tryParse(json["published"]);
+        published = json["published"] != null ? DateTime.tryParse(json["published"]) : null;
 
   static Media? getMedia(dynamic json) {
     if (json != null) {
diff --git a/pubspec.yaml b/pubspec.yaml
index 21eff9d..f886a94 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,6 +1,6 @@
 name: activitypub
 description: A library for the ActivityPub standard. Created an also used by Fedodo.
-version: 1.2.0
+version: 1.2.1
 repository: https://github.com/Fedodo/Fedodo.Pub.ActivityPub
 
 environment: