diff --git a/metadata/service/compute/ironic.yml b/metadata/service/compute/ironic.yml
index e606370..0612e9f 100644
--- a/metadata/service/compute/ironic.yml
+++ b/metadata/service/compute/ironic.yml
@@ -17,6 +17,8 @@
       force_config_drive: True
       config_drive_format: 'iso9660'
       reserved_host_memory_mb: 0
+      concurrency:
+        lock_path: '/var/lib/nova/tmp'
       database:
         engine: mysql
         host: ${_param:cluster_vip_address}