diff --git a/neutron_tempest_plugin/api/test_availability_zones.py b/neutron_tempest_plugin/api/test_availability_zones.py
index 8ee52a3..9d75c28 100644
--- a/neutron_tempest_plugin/api/test_availability_zones.py
+++ b/neutron_tempest_plugin/api/test_availability_zones.py
@@ -25,7 +25,6 @@
     @utils.requires_ext(extension="availability_zone",
                         service="network")
     def test_list_available_zones(self):
-        resource = 'availability_zones'
-        body = getattr(self.client, 'list_%s' % resource)()
+        body = self.client.list_availability_zones()
         self.assertIsNotNone(body)
         self.assertIsInstance(body['availability_zones'], list)
diff --git a/neutron_tempest_plugin/services/network/json/network_client.py b/neutron_tempest_plugin/services/network/json/network_client.py
index a28d668..ee7d0c9 100644
--- a/neutron_tempest_plugin/services/network/json/network_client.py
+++ b/neutron_tempest_plugin/services/network/json/network_client.py
@@ -43,7 +43,7 @@
 
         # The following list represents resource names that do not require
         # changing underscore to a hyphen
-        hyphen_exceptions = ["service_profiles"]
+        hyphen_exceptions = ["service_profiles", "availability_zones"]
         # the following map is used to construct proper URI
         # for the given neutron resource
         service_resource_prefix_map = {