diff --git a/apps-kustomized/kube-prometheus/kustomization.yaml b/apps-kustomized/kube-prometheus/kustomization.yaml
index 180ccc6..870b402 100644
--- a/apps-kustomized/kube-prometheus/kustomization.yaml
+++ b/apps-kustomized/kube-prometheus/kustomization.yaml
@@ -10,8 +10,8 @@ patches:
         path: /spec/type
         value: LoadBalancer
       - op: replace
-        path: /spec/ports
-        value: [{"name":"http","port":80,"targetPort":"http","protocol":"TCP"}]
+        path: /spec/ports[0]
+        value: {"name":"http","port":80,"targetPort":"http","protocol":"TCP"}
 
 resources:
 - 0alertmanagerConfigCustomResourceDefinition.yaml