diff --git a/app/Http/Controllers/PublicController.php b/app/Http/Controllers/PublicController.php
index 53abc70..3660487 100644
--- a/app/Http/Controllers/PublicController.php
+++ b/app/Http/Controllers/PublicController.php
@@ -40,7 +40,7 @@ class PublicController extends BaseController
 
     public function returnImageFile($tenant_url, $gallery_url, $image_id, Request $request) {
         $sizeName = $request->input("size", "medium");
-        if(!array_key_exists($sizeName, $this->size)) {
+        if(!array_key_exists($sizeName, self::$size)) {
             abort(400, "Size not exists");
         }
         $size = (int)$this->size[$sizeName];
diff --git a/resources/ansible/playbook.yml b/resources/ansible/playbook.yml
index e536c59..50c4ea6 100644
--- a/resources/ansible/playbook.yml
+++ b/resources/ansible/playbook.yml
@@ -170,3 +170,9 @@
        state: restarted
        daemon_reload: no
        name: nginx
+
+   - name: Creates a cron file under /etc/cron.d
+     ansible.builtin.cron:
+       name: laravelcron
+       user: www-data
+       job: "php /var/www/kuvia/artisan schedule:run"