diff --git a/testdata/fn-config.yaml b/testdata/fn-config.yaml
index 88c8b3b..c5e5451 100644
--- a/testdata/fn-config.yaml
+++ b/testdata/fn-config.yaml
@@ -4,6 +4,6 @@ metadata:
   name: set-replicas
 spec:
   params:
-    replicas: 5
+    replicas: 6
   source: |
-    [item | {if item.kind == "Deployment": spec.replicas = option("resource_list").functionConfig.spec.params.replicas} for item in option("resource_list").items]
+    [item | {if item.kind == "Deployment": spec.replicas = option("params").replicas} for item in option("items") or []]
diff --git a/testdata/resources.yaml b/testdata/resources.yaml
index 10f7e6f..3a77495 100644
--- a/testdata/resources.yaml
+++ b/testdata/resources.yaml
@@ -17,7 +17,7 @@ metadata:
   labels:
     app: nginx
 spec:
-  replicas: 5
+  replicas: 6
   selector:
     matchLabels:
       app: nginx