diff --git a/test/modules.nix b/test/modules.nix
index 6cf44ba..e2bc8cc 100644
--- a/test/modules.nix
+++ b/test/modules.nix
@@ -62,10 +62,14 @@ with lib;
 
     kubernetes.resources.services.nginx = loadJSON ./service.json;
 
-    kubernetes.defaultModuleConfiguration = [{
-      kubernetes.defaults.deployments.spec.replicas = 3;
+    kubernetes.defaultModuleConfiguration.all = [{
+      config.kubernetes.defaults.deployments = [{spec.replicas = 3;}];
     }];
 
-    kubernetes.defaults.all.metadata.namespace = "test";
+    kubernetes.defaultModuleConfiguration.nginx = [{
+      kubernetes.defaults.deployments = [{spec.replicas = mkDefault 4;}];
+    }];
+
+    kubernetes.defaults.all = [{metadata.namespace = "test";}];
   };
 }