diff --git a/openstack/cdn/v1/base/fixtures.go b/openstack/cdn/v1/base/fixtures.go
index 19b5ece..5568074 100644
--- a/openstack/cdn/v1/base/fixtures.go
+++ b/openstack/cdn/v1/base/fixtures.go
@@ -1,3 +1,5 @@
+// +build fixtures
+
 package base
 
 import (