diff --git a/stable/prometheus-operator/Chart.yaml b/stable/prometheus-operator/Chart.yaml
index bcd183ead9..82f52d4e6f 100644
--- a/stable/prometheus-operator/Chart.yaml
+++ b/stable/prometheus-operator/Chart.yaml
@@ -9,7 +9,7 @@ name: prometheus-operator
 sources:
   - https://github.com/coreos/prometheus-operator
   - https://coreos.com/operators/prometheus
-version: 5.0.9
+version: 5.0.10
 appVersion: 0.29.0
 home: https://github.com/coreos/prometheus-operator
 keywords:
diff --git a/stable/prometheus-operator/templates/alertmanager/alertmanager.yaml b/stable/prometheus-operator/templates/alertmanager/alertmanager.yaml
index 24f93847e1..026fe18d40 100644
--- a/stable/prometheus-operator/templates/alertmanager/alertmanager.yaml
+++ b/stable/prometheus-operator/templates/alertmanager/alertmanager.yaml
@@ -14,9 +14,6 @@ spec:
   replicas: {{ .Values.alertmanager.alertmanagerSpec.replicas }}
   listenLocal: {{ .Values.alertmanager.alertmanagerSpec.listenLocal }}
   serviceAccountName: {{ template "prometheus-operator.alertmanager.serviceAccountName" . }}
-{{- if .Values.alertmanager.alertmanagerSpec.externalUrl }}
-  externalUrl: "{{ .Values.alertmanager.alertmanagerSpec.externalUrl }}"
-{{- end }}
 {{- if .Values.alertmanager.alertmanagerSpec.externalUrl }}
   externalUrl: "{{ .Values.alertmanager.alertmanagerSpec.externalUrl }}"
 {{- else if .Values.alertmanager.ingress.enabled }}