diff --git a/stable/prometheus-operator/Chart.yaml b/stable/prometheus-operator/Chart.yaml
index 4485001dfdb8..a6df8ea49846 100644
--- a/stable/prometheus-operator/Chart.yaml
+++ b/stable/prometheus-operator/Chart.yaml
@@ -12,7 +12,7 @@ sources:
   - https://github.com/coreos/kube-prometheus
   - https://github.com/coreos/prometheus-operator
   - https://coreos.com/operators/prometheus
-version: 8.9.1
+version: 8.9.2
 appVersion: 0.36.0
 tillerVersion: ">=2.12.0"
 home: https://github.com/coreos/prometheus-operator
diff --git a/stable/prometheus-operator/templates/prometheus/serviceperreplica.yaml b/stable/prometheus-operator/templates/prometheus/serviceperreplica.yaml
index b5da0fa697e1..a57c0b2db37f 100644
--- a/stable/prometheus-operator/templates/prometheus/serviceperreplica.yaml
+++ b/stable/prometheus-operator/templates/prometheus/serviceperreplica.yaml
@@ -1,7 +1,6 @@
 {{- if and .Values.prometheus.enabled .Values.prometheus.servicePerReplica.enabled }}
 {{- $count := .Values.prometheus.prometheusSpec.replicas | int -}}
-{{- $serviceValues := .Values.prometheus.servicePerReplica -}}
-{{- $portName := .Values.prometheus.prometheusSpec.portName -}}
+{{- $serviceValues := .Values.prometheus.servicePerReplica -}} 
 apiVersion: v1
 kind: List
 metadata:
@@ -32,7 +31,7 @@ items:
       {{- end }}
       {{- end }}
       ports:
-        - name: {{ $portName }}
+        - name: {{ $.Values.prometheus.prometheusSpec.portName }}
           {{- if eq $serviceValues.type "NodePort" }}
           nodePort: {{ $serviceValues.nodePort }}
           {{- end }}