diff --git a/data/hostname/worker11.euwest.azure.internal.softwareheritage.org.yaml b/data/hostname/worker11.euwest.azure.internal.softwareheritage.org.yaml
index 8eabb7fe..38ba9c7f 100644
--- a/data/hostname/worker11.euwest.azure.internal.softwareheritage.org.yaml
+++ b/data/hostname/worker11.euwest.azure.internal.softwareheritage.org.yaml
@@ -1,3 +1,3 @@
 ---
-worker_instances:
+swh::deploy::worker::instances:
   - swh_vault_cooker
diff --git a/data/hostname/worker12.euwest.azure.internal.softwareheritage.org.yaml b/data/hostname/worker12.euwest.azure.internal.softwareheritage.org.yaml
index 8eabb7fe..38ba9c7f 100644
--- a/data/hostname/worker12.euwest.azure.internal.softwareheritage.org.yaml
+++ b/data/hostname/worker12.euwest.azure.internal.softwareheritage.org.yaml
@@ -1,3 +1,3 @@
 ---
-worker_instances:
+swh::deploy::worker::instances:
   - swh_vault_cooker