diff --git a/templates/local_settings.py.erb b/templates/local_settings.py.erb
index 25f44a75..5f182269 100644
--- a/templates/local_settings.py.erb
+++ b/templates/local_settings.py.erb
@@ -932,7 +932,9 @@ OVERVIEW_DAYS_RANGE = <%= @overview_days_range %>
 # the enabled panel configuration.
 # You should not add settings to this list for out of tree extensions.
 # See: https://wiki.openstack.org/wiki/Horizon/RESTAPI
-REST_API_REQUIRED_SETTINGS = ['OPENSTACK_HYPERVISOR_FEATURES']
+REST_API_REQUIRED_SETTINGS = ['OPENSTACK_HYPERVISOR_FEATURES',
+                              'LAUNCH_INSTANCE_DEFAULTS',
+                              'OPENSTACK_IMAGE_FORMATS']
 
 # Additional settings can be made available to the client side for
 # extensibility by specifying them in REST_API_ADDITIONAL_SETTINGS