diff --git a/deployment/neutron/neutron-api-container-puppet.yaml b/deployment/neutron/neutron-api-container-puppet.yaml
index 0b52a808ba..9e9bbb7765 100644
--- a/deployment/neutron/neutron-api-container-puppet.yaml
+++ b/deployment/neutron/neutron-api-container-puppet.yaml
@@ -144,7 +144,7 @@ parameters:
                  be used by Neutron if its resource is created without
                  availability zone hints. If not set, no AZs will be configured
                  for Neutron network services.
-    default: ''
+    default: []
     type: comma_delimited_list
   NeutronNetworkSchedulerDriver:
     description: The network schedule driver to use for avialability zones.
@@ -204,7 +204,7 @@ conditions:
   internal_tls_enabled: {equals: [{get_param: EnableInternalTLS}, true]}
   neutron_dvr_unset: {equals : [{get_param: NeutronEnableDVR}, '']}
   is_ovn_in_neutron_mechanism_driver: {contains: ['ovn', {get_param: NeutronMechanismDrivers}]}
-  az_unset: {equals: [{get_param: NeutronDefaultAvailabilityZones}, '']}
+  az_unset: {equals: [{get_param: NeutronDefaultAvailabilityZones}, []]}
   ovn_and_tls: {and: [is_ovn_in_neutron_mechanism_driver, internal_tls_enabled]}
   enable_sqlalchemy_collectd: {equals : [{get_param: EnableSQLAlchemyCollectd}, true]}
   key_size_override_unset: {equals: [{get_param: NeutronCertificateKeySize}, '']}