diff --git a/src/Factory/Api/Mastodon/Account.php b/src/Factory/Api/Mastodon/Account.php
index a7aa642450..d7e94819e9 100644
--- a/src/Factory/Api/Mastodon/Account.php
+++ b/src/Factory/Api/Mastodon/Account.php
@@ -69,8 +69,12 @@ class Account extends BaseFactory
 
 		$apcontact = APContact::getByURL($publicContact['url'], false);
 
-		$profileFields = $this->profileField->select(['uid' => $uid, 'psid' => PermissionSet::PUBLIC]);
-		$fields        = $this->mstdnField->createFromProfileFields($profileFields);
+		if (!empty($userContact['self'])) {
+			$profileFields = $this->profileField->select(['uid' => $uid, 'psid' => PermissionSet::PUBLIC]);
+			$fields        = $this->mstdnField->createFromProfileFields($profileFields);
+		} else {
+			$fields = new Fields();
+		}
 
 		return new \Friendica\Object\Api\Mastodon\Account($this->baseUrl, $publicContact, $fields, $apcontact, $userContact);
 	}
diff --git a/src/Object/Api/Mastodon/Instance.php b/src/Object/Api/Mastodon/Instance.php
index 6105a8bee1..c52e59f8ab 100644
--- a/src/Object/Api/Mastodon/Instance.php
+++ b/src/Object/Api/Mastodon/Instance.php
@@ -93,8 +93,8 @@ class Instance extends BaseEntity
 			$adminList = explode(',', str_replace(' ', '', DI::config()->get('config', 'admin_email')));
 			$administrator = User::getByEmail($adminList[0], ['nickname']);
 			if (!empty($administrator)) {
-				$adminContact = DBA::selectFirst('contact', ['id'], ['nick' => $administrator['nickname'], 'self' => true]);
-				$instance->contact_account = DI::mstdnAccount()->createFromContactId($adminContact['id']);
+				$adminContact = DBA::selectFirst('contact', ['id', 'uid'], ['nick' => $administrator['nickname'], 'self' => true]);
+				$instance->contact_account = DI::mstdnAccount()->createFromContactId($adminContact['id'], $adminContact['uid']);
 			}
 		}