diff --git a/jsonnet/kube-prometheus/node-exporter/node-exporter.libsonnet b/jsonnet/kube-prometheus/node-exporter/node-exporter.libsonnet
index 58fc06c1..a4c40de2 100644
--- a/jsonnet/kube-prometheus/node-exporter/node-exporter.libsonnet
+++ b/jsonnet/kube-prometheus/node-exporter/node-exporter.libsonnet
@@ -105,7 +105,7 @@ local k = import 'ksonnet/ksonnet.beta.4/k.libsonnet';
         container.new('kube-rbac-proxy', $._config.imageRepos.kubeRbacProxy + ':' + $._config.versions.kubeRbacProxy) +
         container.withArgs([
           '--logtostderr',
-          '--secure-listen-address=$(IP):' + $._config.nodeExporter.port,
+          '--secure-listen-address=$[(IP)]:' + $._config.nodeExporter.port,
           '--tls-cipher-suites=' + std.join(',', $._config.tlsCipherSuites),
           '--upstream=http://127.0.0.1:' + $._config.nodeExporter.port + '/',
         ]) +