diff --git a/cinder/files/backend/_netapp.conf b/cinder/files/backend/_netapp.conf
index 5555cf6..3dfc798 100644
--- a/cinder/files/backend/_netapp.conf
+++ b/cinder/files/backend/_netapp.conf
@@ -13,7 +13,7 @@
 volume_driver=cinder.volume.drivers.netapp.common.NetAppDriver
 netapp_enable_multiattach={{ backend.get('enable_multiattach', False) }}
 netapp_storage_protocol={{ backend.storage_protocol }}
-max_oversubscription_ratio={{ backend.get('max_oversubscription_ratio', '1.0') }}
+max_over_subscription_ratio={{ backend.get('max_over_subscription_ratio', '1.0') }}
 backend_host={{ backend.get('backend_host', 'str:netapp') }}
 netapp_storage_family={{ backend.get('storage_family', 'ontap_cluster') }}
 volume_backend_name={{ backend_name }}