diff --git a/data/location/sesi_rocquencourt.yaml b/data/location/sesi_rocquencourt.yaml
index d802fbfe..149deaa7 100644
--- a/data/location/sesi_rocquencourt.yaml
+++ b/data/location/sesi_rocquencourt.yaml
@@ -1,31 +1,31 @@
 ---
 dns::local_nameservers:
   - 192.168.100.29
   - 192.168.200.22
 
 dns::forwarders:
   - 193.51.196.130
   - 193.51.196.131
 dns::forwarder_insecure: true
 
 ntp::servers:
   - sesi-ntp1.inria.fr
   - sesi-ntp2.inria.fr
 
 internal_network: 192.168.100.0/24
 
 smtp::relay_hostname: 'smtp.inria.fr'
 
 swh::deploy::worker::instances:
   - checker_deposit
   - lister
   - loader_archive
   - loader_cran
   - loader_debian
   - loader_deposit
   - loader_git
-#  - loader_mercurial
+  - loader_mercurial
   - loader_nixguix
   - loader_npm
   - loader_pypi
   - loader_svn
diff --git a/data/location/sesi_rocquencourt_staging.yaml b/data/location/sesi_rocquencourt_staging.yaml
index a874f205..ff96e9e7 100644
--- a/data/location/sesi_rocquencourt_staging.yaml
+++ b/data/location/sesi_rocquencourt_staging.yaml
@@ -1,127 +1,128 @@
 ---
 swh::deploy::environment: staging
 backups::enable: false
 
 dns::local_cache: false
 dns::nameservers:
   - 192.168.100.29
 dns::search_domains:
   - internal.staging.swh.network
 
 dns::local_nameservers:
   - 192.168.100.29
   - 192.168.200.22
 
 dns::forwarders:
   - 193.51.196.130
   - 193.51.196.131
 dns::forwarder_insecure: true
 
 ntp::servers:
   - sesi-ntp1.inria.fr
   - sesi-ntp2.inria.fr
 
 internal_network: 192.168.128.0/24
 
 smtp::relay_hostname: 'smtp.inria.fr'
 
 swh::deploy::worker::loader_nixguix::loglevel: debug
 
 swh::deploy::storage::db::host: db0.internal.staging.swh.network
 swh::deploy::storage::db::user: swh
 swh::deploy::storage::db::dbname: swh
 
 swh::deploy::indexer::storage::db::host: db0.internal.staging.swh.network
 swh::deploy::indexer::storage::db::user: swh-indexer
 swh::deploy::indexer::storage::db::dbname: swh-indexer
 
 swh::deploy::scheduler::db::host: db0.internal.staging.swh.network
 swh::deploy::scheduler::db::dbname: swh-scheduler
 swh::deploy::scheduler::db::user: swh-scheduler
 
 swh::deploy::deposit::db::host: deposit.internal.staging.swh.network
 swh::deploy::deposit::db::dbuser: swh-deposit
 swh::deploy::deposit::db::dbname: swh-deposit
 
 swh::deploy::vault::db::host: db0.internal.staging.swh.network
 swh::deploy::vault::db::user: swh-vault
 swh::deploy::vault::db::dbname: swh-vault
 
 swh::deploy::worker::lister::db::host: db0.internal.staging.swh.network
 swh::deploy::worker::lister::db::user: swh-lister
 swh::deploy::worker::lister::db::name: swh-lister
 
 swh::deploy::worker::instances:
   - checker_deposit
   - loader_archive
   - loader_cran
   - loader_debian
   - loader_deposit
   - loader_nixguix
   - loader_git
+  - loader_mercurial
   - loader_npm
   - loader_pypi
   - vault_cooker
   - lister
   - indexer_origin_intrinsic_metadata
 
 #### Rabbitmq instance to use
 # swh::deploy::worker::task_broker::password in private data
 swh::deploy::worker::task_broker: "amqp://swhconsumer:%{hiera('swh::deploy::worker::task_broker::password')}@scheduler0.internal.staging.swh.network:5672/%2f"
 
 #### Storage/Indexer/Vault/Scheduler services to use in staging area
 
 swh::remote_service::storage::config::storage0:
   cls: remote
   args:
     url: "http://storage0.internal.staging.swh.network:%{hiera('swh::remote_service::storage::port')}/"
 swh::remote_service::storage::config: "%{alias('swh::remote_service::storage::config::storage0')}"
 swh::remote_service::storage::config::writable: &swh_remote_service_storage_config_writable
   "%{alias('swh::remote_service::storage::config::storage0')}"
 
 swh::remote_service::vault::config::vault0:
   cls: remote
   args:
     url: "http://vault.internal.staging.swh.network:%{hiera('swh::remote_service::vault::port')}/"
 swh::remote_service::vault::config: "%{alias('swh::remote_service::vault::config::vault0')}"
 swh::remote_service::vault::config::writable: "%{alias('swh::remote_service::vault::config::vault0')}"
 
 swh::remote_service::indexer::config::storage0:
   cls: remote
   args:
     url: "http://storage0.internal.staging.swh.network:%{hiera('swh::remote_service::indexer::port')}/"
 swh::remote_service::indexer::config: "%{alias('swh::remote_service::indexer::config::storage0')}"
 swh::remote_service::indexer::config::writable: "%{alias('swh::remote_service::indexer::config::storage0')}"
 
 swh::remote_service::scheduler::config::scheduler0:
   cls: remote
   args:
     url: "http://scheduler0.internal.staging.swh.network:%{hiera('swh::remote_service::scheduler::port')}/"
 
 swh::remote_service::scheduler::config: "%{alias('swh::remote_service::scheduler::config::scheduler0')}"
 swh::remote_service::scheduler::config::writable: "%{alias('swh::remote_service::scheduler::config::scheduler0')}"
 
 swh::deploy::deposit::url: http://deposit.internal.staging.swh.network
 
 # do not save pack
 swh::deploy::worker::loader_git::save_data_path: ""
 swh::deploy::worker::loader_git::concurrency: 1
 
 zookeeper::clusters:
   rocquencourt:
     '1': journal0.internal.staging.swh.network
 
 kafka::clusters:
   rocquencourt:
     zookeeper::chroot: '/kafka/softwareheritage'
     zookeeper::servers:
       - journal0.internal.staging.swh.network
     brokers:
       journal0.internal.staging.swh.network:
         id: 1
 
 swh::deploy::journal::brokers:
   - journal0.internal.staging.swh.network
 
 swh::deploy::deposit::vhost::letsencrypt_cert: deposit_staging
 swh::deploy::webapp::vhost::letsencrypt_cert: archive_staging