diff --git a/.arkindex.yml b/.arkindex.yml
index b35c6d47e36e9f8b125ecaed0298937b0c1f26d2..c15188e266f1e8f644ddcdbc735c6e15024ce8c2 100644
--- a/.arkindex.yml
+++ b/.arkindex.yml
@@ -4,7 +4,7 @@ version: 2
 workers:
   - slug: thumbnails-generator
     name: Thumbnails Generator
-    type: generator
+    type: Utils
     docker:
       build: Dockerfile
     configuration:
diff --git a/worker_thumbnails_generator/worker.py b/worker_thumbnails_generator/worker.py
index 34c2e0a008d64406bdd4e3ba367d592cfb313516..361df5b471c3c1b6002e20b989c3247619462525 100644
--- a/worker_thumbnails_generator/worker.py
+++ b/worker_thumbnails_generator/worker.py
@@ -127,7 +127,7 @@ class ThumbnailsGenerator(ElementsWorker):
 
 def main() -> None:
     ThumbnailsGenerator(
-        description="Worker to generate thumbnails for Arkindex elements"
+        description="Worker to generate thumbnails for Arkindex elements: Utility process"
     ).run()