diff --git a/config/services.yaml b/config/services.yaml
index 221ef22..5ebc718 100644
--- a/config/services.yaml
+++ b/config/services.yaml
@@ -29,6 +29,8 @@ services:
     App\EventListener\TaskDocumentListener:
         arguments:
             $uploadDir: '%task_document_upload_dir%'
+        tags:
+            - { name: doctrine.orm.entity_listener }
 
     App\State\TaskDocumentProcessor:
         arguments: