diff --git a/freeleaps/helm-pkg/authentication/templates/authentication/servicemonitor.yaml b/freeleaps/helm-pkg/authentication/templates/authentication/servicemonitor.yaml
index ac9fe8ad..c2039552 100644
--- a/freeleaps/helm-pkg/authentication/templates/authentication/servicemonitor.yaml
+++ b/freeleaps/helm-pkg/authentication/templates/authentication/servicemonitor.yaml
@@ -15,7 +15,7 @@ metadata:
 spec:
   endpoints:
   - path: /api/_/metrics
-    port: {{ .Values.authentication.serviceMonitor.port }}
+    port: {{ .Values.authentication.serviceMonitor.port | quote }}
     {{- if .Values.authentication.serviceMonitor.interval }}
     interval: {{ .Values.authentication.serviceMonitor.interval }}
     {{- end }}