diff --git a/defaults/openstack/init.yml b/defaults/openstack/init.yml
index 97c1fe8..f9b189e 100644
--- a/defaults/openstack/init.yml
+++ b/defaults/openstack/init.yml
@@ -40,6 +40,7 @@
     nova_old_version: ${_param:openstack_old_version}
     nova_version: ${_param:openstack_version}
     nova_upgrade_enabled: ${_param:openstack_upgrade_enabled}
+    nova_instance_build_timeout: 3600
     # Glance
     glance_memcache_security_enabled: ${_param:openstack_memcache_security_enabled}
     glance_memcache_secret_key: ''