diff --git a/src/Model/Item.php b/src/Model/Item.php
index c57e6799b0..d937430c39 100644
--- a/src/Model/Item.php
+++ b/src/Model/Item.php
@@ -932,7 +932,25 @@ class Item
 		if ($notify) {
 			$item['edit'] = false;
 			$item['parent'] = $parent_id;
+
+			// Trigger automatic reactions for addons
+			$item['api_source'] = true;
+
+			// We have to tell the hooks who we are - this really should be improved
+			if (!local_user()) {
+				$_SESSION['authenticated'] = true;
+				$_SESSION['uid'] = $uid;
+				$dummy_session = true;
+			} else {
+				$dummy_session = false;
+			}
+
 			Hook::callAll('post_local', $item);
+
+			if ($dummy_session) {
+				unset($_SESSION['authenticated']);
+				unset($_SESSION['uid']);
+			}
 		} else {
 			Hook::callAll('post_remote', $item);
 		}
@@ -1971,13 +1989,6 @@ class Item
 			$result = true;
 		}
 
-		// Trigger automatic reactions for addons
-		$datarray['api_source'] = true;
-
-		// We have to tell the hooks who we are - this really should be improved
-		$_SESSION['authenticated'] = true;
-		$_SESSION['uid'] = $contact['uid'];
-
 		return (bool)$result;
 	}
 
diff --git a/src/Module/Api/Mastodon/Statuses.php b/src/Module/Api/Mastodon/Statuses.php
index e40709fe5b..9bbc3bf636 100644
--- a/src/Module/Api/Mastodon/Statuses.php
+++ b/src/Module/Api/Mastodon/Statuses.php
@@ -29,6 +29,7 @@ use Friendica\DI;
 use Friendica\Model\Contact;
 use Friendica\Model\Group;
 use Friendica\Model\Item;
+use Friendica\Model\Photo;
 use Friendica\Model\Post;
 use Friendica\Model\User;
 use Friendica\Module\BaseApi;
@@ -156,6 +157,8 @@ class Statuses extends BaseApi
 					continue;
 				}
 
+				Photo::setPermissionForRessource($media[0]['resource-id'], $uid, $item['allow_cid'], $item['allow_gid'], $item['deny_cid'], $item['deny_gid']);
+
 				$ressources[] = $media[0]['resource-id'];
 				$phototypes = Images::supportedTypes();
 				$ext = $phototypes[$media[0]['type']];