diff --git a/jsonnet/kube-prometheus/kube-prometheus-strip-limits.libsonnet b/jsonnet/kube-prometheus/kube-prometheus-strip-limits.libsonnet
index 659a4d3bb97898aa50852a6ed02ab9dbf940dc68..52660d7b9f0dc459d6f850c9db2aafc9ff60128e 100644
--- a/jsonnet/kube-prometheus/kube-prometheus-strip-limits.libsonnet
+++ b/jsonnet/kube-prometheus/kube-prometheus-strip-limits.libsonnet
@@ -3,13 +3,13 @@
 {
   _config+:: {
     resources+:: {
-      'addon-resizer': {
+      'addon-resizer'+: {
         limits: {},
       },
-      'kube-rbac-proxy': {
+      'kube-rbac-proxy'+: {
         limits: {},
       },
-      'node-exporter': {
+      'node-exporter'+: {
         limits: {},
       },
     },