ExtractErrResult -> ErrResult; Extract -> ExtractErr
diff --git a/acceptance/openstack/blockstorage/v1/volumes_test.go b/acceptance/openstack/blockstorage/v1/volumes_test.go
index b2f2600..924a95d 100644
--- a/acceptance/openstack/blockstorage/v1/volumes_test.go
+++ b/acceptance/openstack/blockstorage/v1/volumes_test.go
@@ -47,7 +47,7 @@
 		if err != nil {
 			t.Error(err)
 		}
-		err = volumes.Delete(client, cv.ID).Extract()
+		err = volumes.Delete(client, cv.ID).ExtractErr()
 		if err != nil {
 			t.Error(err)
 			return