diff --git a/charts/metrics-server/templates/service.yaml b/charts/metrics-server/templates/service.yaml
index d45bcf36a..35318a48b 100644
--- a/charts/metrics-server/templates/service.yaml
+++ b/charts/metrics-server/templates/service.yaml
@@ -19,5 +19,6 @@ spec:
       port: {{ .Values.service.port }}
       protocol: TCP
       targetPort: https
+      appProtocol: https
   selector:
     {{- include "metrics-server.selectorLabels" . | nindent 4 }}
diff --git a/manifests/base/service.yaml b/manifests/base/service.yaml
index d1785c989..79eaaef0a 100644
--- a/manifests/base/service.yaml
+++ b/manifests/base/service.yaml
@@ -10,3 +10,4 @@ spec:
     port: 443
     protocol: TCP
     targetPort: https
+    appProtocol: https