diff --git a/plugins/ActivityPub/classes/Activitypub_profile.php b/plugins/ActivityPub/classes/Activitypub_profile.php
index 9309453681..9c16209632 100644
--- a/plugins/ActivityPub/classes/Activitypub_profile.php
+++ b/plugins/ActivityPub/classes/Activitypub_profile.php
@@ -488,7 +488,7 @@ class Activitypub_profile extends Managed_DataObject
      * @throws NoProfileException
      * @author Diogo Cordeiro <diogo@fc.up.pt>
      */
-    public static function update_profile($aprofile, $res)
+    public static function update_profile(Activitypub_profile $aprofile, array $res): Profile
     {
         if ($res === false) {
             $profile = $aprofile->local_profile();
diff --git a/plugins/ActivityPub/scripts/update_activitypub_profiles.php b/plugins/ActivityPub/scripts/update_activitypub_profiles.php
index 59c83f00d3..ae909e0cb0 100755
--- a/plugins/ActivityPub/scripts/update_activitypub_profiles.php
+++ b/plugins/ActivityPub/scripts/update_activitypub_profiles.php
@@ -53,13 +53,7 @@ if (!$quiet) {
 
 if (have_option('u', 'uri')) {
     $uri = get_option_value('u', 'uri');
-    $discovery = new Activitypub_explorer();
-    $discovery = $discovery->lookup($uri);
-    if (empty($discovery)) {
-        echo "Bad URI\n";
-        exit(1);
-    }
-    $user = $discovery->lookup($uri)[0];
+    $user = Activitypub_profile::from_profile(Activitypub_explorer::get_profile_from_url($uri));
     try {
         $res = Activitypub_explorer::get_remote_user_activity($uri);
     } catch (Exception $e) {
@@ -67,8 +61,9 @@ if (have_option('u', 'uri')) {
         exit(1);
     }
     if (!$quiet) {
-        echo "Updated ".Activitypub_profile::update_profile($user, $res)->getBestName()."\n";
+        echo 'Updated '.Activitypub_profile::update_profile($user, $res)->getBestName()."\n";
     }
+    exit(0);
 } elseif (!have_option('a', 'all')) {
     show_help();
     exit(1);