diff --git a/tests/brightbox/requests/compute/helper.rb b/tests/brightbox/requests/compute/helper.rb
index <HASH>..<HASH> 100644
--- a/tests/brightbox/requests/compute/helper.rb
+++ b/tests/brightbox/requests/compute/helper.rb
@@ -111,7 +111,7 @@ class Brightbox
           "name"            => String,
           "default"         => Fog::Boolean,
           "created_at"      => String,
-          "description"     => String
+          "description"     => Fog::Nullable::String
         }
 
         FIREWALL_RULE = {
[Brightbox] Updated format for nested firewall policies

Description is allowed to be nil