diff --git a/src/Factory/ActivityPub/FlagFactory.php b/src/Factory/ActivityPub/FlagFactory.php
index 94f94e855..be0ed2485 100644
--- a/src/Factory/ActivityPub/FlagFactory.php
+++ b/src/Factory/ActivityPub/FlagFactory.php
@@ -6,19 +6,26 @@
 
 use App\Entity\Activity;
 use App\Entity\Report;
+use Doctrine\ORM\EntityManagerInterface;
 
 class FlagFactory
 {
-    public function __construct()
-    {
+    public function __construct(
+        private readonly EntityManagerInterface $entityManager,
+    ) {
     }
 
     public function build(Report $report): Activity
     {
         $activity = new Activity('Flag');
         $activity->setObject($report->getSubject());
+        $activity->objectUser = $report->reported;
         $activity->setActor($report->reporting);
         $activity->contentString = $report->reason;
+        $activity->audience = $report->magazine;
+
+        $this->entityManager->persist($activity);
+        $this->entityManager->flush();
 
         return $activity;
     }
diff --git a/src/MessageHandler/ActivityPub/Outbox/FlagHandler.php b/src/MessageHandler/ActivityPub/Outbox/FlagHandler.php
index 95f2b6e85..821053abe 100644
--- a/src/MessageHandler/ActivityPub/Outbox/FlagHandler.php
+++ b/src/MessageHandler/ActivityPub/Outbox/FlagHandler.php
@@ -48,6 +48,11 @@ public function doWork(MessageInterface $message): void
         }
         $this->logger->debug('got a FlagMessage');
         $report = $this->reportRepository->find($message->reportId);
+        if (!$report) {
+            $this->logger->info("couldn't find report with id {id}", ['id' => $message->reportId]);
+
+            return;
+        }
         $this->logger->debug('found the report: '.json_encode($report));
         $inboxes = $this->getInboxUrls($report);
         if (0 === \sizeof($inboxes)) {
diff --git a/src/Service/ActivityPub/ActivityJsonBuilder.php b/src/Service/ActivityPub/ActivityJsonBuilder.php
index 05c1294b3..805f44b3f 100644
--- a/src/Service/ActivityPub/ActivityJsonBuilder.php
+++ b/src/Service/ActivityPub/ActivityJsonBuilder.php
@@ -240,7 +240,7 @@ public function buildFlagFromActivity(Activity $activity): array
 
         $result = [
             '@context' => ActivityPubActivityInterface::CONTEXT_URL,
-            'id' => $this->urlGenerator->generate('ap_object', ['report_id' => $activity->uuid], UrlGeneratorInterface::ABSOLUTE_URL),
+            'id' => $this->urlGenerator->generate('ap_object', ['id' => $activity->uuid], UrlGeneratorInterface::ABSOLUTE_URL),
             'type' => 'Flag',
             'actor' => $this->personFactory->getActivityPubId($activity->userActor),
             'object' => $object,
@@ -258,12 +258,19 @@ public function buildFlagFromActivity(Activity $activity): array
 
     public function buildFollowFromActivity(Activity $activity): array
     {
+        $object = $activity->getObject();
+        if ($object instanceof User) {
+            $activityObject = $this->personFactory->getActivityPubId($object);
+        } else {
+            $activityObject = $this->groupFactory->getActivityPubId($object);
+        }
+
         return [
             '@context' => $this->contextsProvider->referencedContexts(),
             'id' => $this->urlGenerator->generate('ap_object', ['id' => $activity->uuid], UrlGeneratorInterface::ABSOLUTE_URL),
             'type' => 'Follow',
             'actor' => $this->personFactory->getActivityPubId($activity->userActor),
-            'object' => $this->personFactory->getActivityPubId($activity->objectUser),
+            'object' => $activityObject,
         ];
     }
 
diff --git a/src/Service/ActivityPub/Wrapper/FollowWrapper.php b/src/Service/ActivityPub/Wrapper/FollowWrapper.php
index 850b001d3..7e4ad0ce4 100644
--- a/src/Service/ActivityPub/Wrapper/FollowWrapper.php
+++ b/src/Service/ActivityPub/Wrapper/FollowWrapper.php
@@ -5,6 +5,7 @@
 namespace App\Service\ActivityPub\Wrapper;
 
 use App\Entity\Activity;
+use App\Entity\Magazine;
 use App\Entity\User;
 use Doctrine\ORM\EntityManagerInterface;
 
@@ -15,7 +16,7 @@ public function __construct(
     ) {
     }
 
-    public function build(User $follower, User $following): Activity
+    public function build(User $follower, User|Magazine $following): Activity
     {
         $activity = new Activity('Follow');
         $activity->setActor($follower);