diff --git a/jsonnet/lens/custom-prometheus.jsonnet b/jsonnet/lens/custom-prometheus.jsonnet
index 9c733766ba..10384fdaa5 100644
--- a/jsonnet/lens/custom-prometheus.jsonnet
+++ b/jsonnet/lens/custom-prometheus.jsonnet
@@ -24,7 +24,7 @@
       },
     },
   },
-  prometheus+:: {
+  kubernetesControlPlane+:: {
     serviceMonitorKubelet+: {
       spec+: {
         endpoints: std.map(function(endpoint)