diff --git a/components/ironic/values.yaml b/components/ironic/values.yaml
index ef49e30e4..ab0849159 100644
--- a/components/ironic/values.yaml
+++ b/components/ironic/values.yaml
@@ -69,6 +69,7 @@ conf:
     deploy:
       erase_devices_priority: 0
       erase_devices_metadata_priority: 0
+      iso_master_path: /var/lib/openstack-helm/master_iso_images
     conductor:
       automated_clean: true
       clean_step_priority_override: deploy.erase_devices_express:95