diff --git a/docker/services/swh-objstorage/entrypoint.sh b/docker/services/swh-objstorage/entrypoint.sh
--- a/docker/services/swh-objstorage/entrypoint.sh
+++ b/docker/services/swh-objstorage/entrypoint.sh
@@ -13,7 +13,6 @@
 else
     echo Starting the swh-objstorage API server
   exec gunicorn --bind 0.0.0.0:5003 \
-       --worker-class aiohttp.worker.GunicornWebWorker \
        --log-level DEBUG \
        --threads 4 \
        --workers 2 \