diff --git a/charts/actions-runner-controller/templates/actionsmetrics.service.yaml b/charts/actions-runner-controller/templates/actionsmetrics.service.yaml
index 4ff8830b50..e6a7d1dd46 100644
--- a/charts/actions-runner-controller/templates/actionsmetrics.service.yaml
+++ b/charts/actions-runner-controller/templates/actionsmetrics.service.yaml
@@ -13,9 +13,7 @@ metadata:
 spec:
   type: {{ .Values.actionsMetricsServer.service.type }}
   ports:
-    {{ range $_, $port := .Values.actionsMetricsServer.service.ports -}}
-    - {{ $port | toYaml | nindent 6 }}
-    {{- end }}
+    {{- toYaml .Values.actionsMetricsServer.service.ports | nindent 4 }}
     {{- if .Values.actionsMetrics.serviceMonitor.enable }}
     - name: metrics-port
       port: {{ .Values.actionsMetrics.port }}