diff --git a/tempest/clients.py b/tempest/clients.py
index 9f6a9bb..f0aedd5 100644
--- a/tempest/clients.py
+++ b/tempest/clients.py
@@ -56,7 +56,8 @@
 from tempest.services.compute.json.migrations_client import \
     MigrationsClientJSON
 from tempest.services.compute.json.networks_client import NetworksClientJSON
-from tempest.services.compute.json.quotas_client import QuotaClassesClientJSON
+from tempest.services.compute.json.quota_classes_client import \
+    QuotaClassesClientJSON
 from tempest.services.compute.json.quotas_client import QuotasClientJSON
 from tempest.services.compute.json.security_group_default_rules_client import \
     SecurityGroupDefaultRulesClientJSON