diff --git a/arkindex_worker/worker/__init__.py b/arkindex_worker/worker/__init__.py
index 2ea54f18fe3529a9972aefefa9ac0b16d30f8282..fa98a8470f92f3c30a70d781790c916e6304ec85 100644
--- a/arkindex_worker/worker/__init__.py
+++ b/arkindex_worker/worker/__init__.py
@@ -136,7 +136,7 @@ class ElementsWorker(
         Whether or not WorkerActivity support has been enabled on the DataImport
         used to run this worker.
         """
-        if self.args.dev:
+        if self.is_read_only:
             return False
         assert (
             self.process_information