diff --git a/jsonnet/kube-prometheus/main.libsonnet b/jsonnet/kube-prometheus/main.libsonnet
index cccc7933df137ca8ba989a112b0be6ada1dea89d..659be66505d5d41cd918491bed3d00feba2a693f 100644
--- a/jsonnet/kube-prometheus/main.libsonnet
+++ b/jsonnet/kube-prometheus/main.libsonnet
@@ -98,7 +98,7 @@ local utils = import './lib/utils.libsonnet';
       namespace: $.values.common.namespace,
       version: $.values.common.versions.prometheusAdapter,
       image: $.values.common.images.prometheusAdapter,
-      prometheusURL: 'http://prometheus-' + $.values.prometheus.name + '.' + $.values.common.namespace + '.svc.cluster.local:9090/',
+      prometheusURL: 'http://prometheus-' + $.values.prometheus.name + '.' + $.values.prometheus.namespace + '.svc:9090/',
       rangeIntervals+: {
         kubelet: utils.rangeInterval($.kubernetesControlPlane.serviceMonitorKubelet.spec.endpoints[0].interval),
         nodeExporter: utils.rangeInterval($.nodeExporter.serviceMonitor.spec.endpoints[0].interval),
diff --git a/manifests/prometheus-adapter-deployment.yaml b/manifests/prometheus-adapter-deployment.yaml
index a407d7afabac953148828c1ce81fc47ab96f25b0..159ca06cd92a60935b44794ae25b1346bbaae560 100644
--- a/manifests/prometheus-adapter-deployment.yaml
+++ b/manifests/prometheus-adapter-deployment.yaml
@@ -33,7 +33,7 @@ spec:
         - --config=/etc/adapter/config.yaml
         - --logtostderr=true
         - --metrics-relist-interval=1m
-        - --prometheus-url=http://prometheus-k8s.monitoring.svc.cluster.local:9090/
+        - --prometheus-url=http://prometheus-k8s.monitoring.svc:9090/
         - --secure-port=6443
         - --tls-cipher-suites=TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305,TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305,TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256,TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384,TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256,TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384,TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA,TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256,TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA,TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA,TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA,TLS_RSA_WITH_AES_128_GCM_SHA256,TLS_RSA_WITH_AES_256_GCM_SHA384,TLS_RSA_WITH_AES_128_CBC_SHA,TLS_RSA_WITH_AES_256_CBC_SHA
         image: k8s.gcr.io/prometheus-adapter/prometheus-adapter:v0.9.1