diff --git a/playbooks/roles/nodepool-builder/tasks/main.yaml b/playbooks/roles/nodepool-builder/tasks/main.yaml
index ce8ce6edd6..226f790dd8 100644
--- a/playbooks/roles/nodepool-builder/tasks/main.yaml
+++ b/playbooks/roles/nodepool-builder/tasks/main.yaml
@@ -49,4 +49,4 @@
     hour: '{{ 23 | random(seed=inventory_hostname) }}'
     # Note we backup to /var/log/nodepool because that is what we have bind
     # mounted in the container and we are operating relative to that context
-    job: docker exec nodepool-builder-compose_nodepool-builder_1 nodepool export-image-data /var/log/nodepool/nodepool-image-backup.json
+    job: docker-compose -f /etc/nodepool-builder-compose/docker-compose.yaml exec nodepool-builder nodepool export-image-data /var/log/nodepool/nodepool-image-backup.json