diff --git a/neutron_taas/db/taas_db.py b/neutron_taas/db/taas_db.py
index ad69b3d..caba9c5 100755
--- a/neutron_taas/db/taas_db.py
+++ b/neutron_taas/db/taas_db.py
@@ -69,7 +69,7 @@ class TapIdAssociation(model_base.BASEV2):
         primaryjoin='TapService.id==TapIdAssociation.tap_service_id')
 
 
-class Tass_db_Mixin(taas.TaasPluginBase, base_db.CommonDbMixin):
+class Taas_db_Mixin(taas.TaasPluginBase, base_db.CommonDbMixin):
 
     def _core_plugin(self):
         return manager.NeutronManager.get_plugin()
diff --git a/neutron_taas/services/taas/taas_plugin.py b/neutron_taas/services/taas/taas_plugin.py
index 255ab9a..916e28e 100755
--- a/neutron_taas/services/taas/taas_plugin.py
+++ b/neutron_taas/services/taas/taas_plugin.py
@@ -37,7 +37,7 @@ def add_provider_configuration(type_manager, service_type):
         pconf.ProviderConfiguration('neutron_taas'))
 
 
-class TaasPlugin(taas_db.Tass_db_Mixin):
+class TaasPlugin(taas_db.Taas_db_Mixin):
 
     supported_extension_aliases = ["taas"]
     path_prefix = "/taas"