diff --git a/xCAT-OpenStack/chef-cookbooks/grizzly-xcat/environments/example_allinone.rb b/xCAT-OpenStack/chef-cookbooks/grizzly-xcat/environments/example_allinone.rb
index e3e3f70ac..94b6ad4f8 100644
--- a/xCAT-OpenStack/chef-cookbooks/grizzly-xcat/environments/example_allinone.rb
+++ b/xCAT-OpenStack/chef-cookbooks/grizzly-xcat/environments/example_allinone.rb
@@ -14,7 +14,7 @@ override_attributes(
     "root_network_acl" => "%"
   },
   "openstack" => {
-    "developer_mode" => false,
+    "developer_mode" => true,
     "secret"=>{
         "key_path"=>"/etc/chef/encrypted_data_bag_secret"
     },