diff --git a/kubernetes.nix b/kubernetes.nix
index 3f99d80..4cd9739 100644
--- a/kubernetes.nix
+++ b/kubernetes.nix
@@ -283,6 +283,7 @@ let
               };
             } // extraOptions;
           }));
+          default = {};
         }
       ) (
         if customResourceDefinitions == null