diff --git a/defaults/openstack/init.yml b/defaults/openstack/init.yml
index 290a511..f7572f3 100644
--- a/defaults/openstack/init.yml
+++ b/defaults/openstack/init.yml
@@ -44,6 +44,7 @@
     cinder_version: ${_param:openstack_version}
     cinder_upgrade_enabled: ${_param:openstack_upgrade_enabled}
     cinder_service_user_enabled: ${_param:openstack_service_user_enabled}
+    cinder_image_conversion_dir_path: /var/tmp/cinder/conversion
     # Nova
     nova_memcache_security_enabled: ${_param:openstack_memcache_security_enabled}
     nova_memcache_secret_key: ''