diff --git a/simvue/sender.py b/simvue/sender.py
index d66ed249..5333d967 100644
--- a/simvue/sender.py
+++ b/simvue/sender.py
@@ -15,6 +15,7 @@
 from simvue.config.user import SimvueConfiguration
 
 import simvue.api.objects
+from simvue.api.objects.artifact.base import ArtifactBase
 from simvue.eco.emissions_monitor import CO2Monitor
 from simvue.version import __version__
 
@@ -81,7 +82,8 @@ def upload_cached_file(
         obj_for_upload.on_reconnect(id_mapping)
 
     try:
-        obj_for_upload.commit()
+        if not issubclass(_instance_class, ArtifactBase):
+            obj_for_upload.commit()
         _new_id = obj_for_upload.id
     except RuntimeError as error:
         if "status 409" in error.args[0]: