diff --git a/chart/templates/istio/values.yaml b/chart/templates/istio/values.yaml
index dca48d62f975a343f901fd27991c05fcdbbcc823..4da481e9d3126f027d8a087606f7b66f74984629 100644
--- a/chart/templates/istio/values.yaml
+++ b/chart/templates/istio/values.yaml
@@ -121,7 +121,7 @@ gateways:
         number: 8443
         protocol: HTTPS
       {{- end }}
-      {{- if eq $servervalues.port.protocol "HTTPS"}}
+      {{- if or (eq $servervalues.port.protocol "HTTPS") (eq $servervalues.port.protocol "TLS") }}
       tls:
         {{- $tlsMode := (dig "tls" "mode" "SIMPLE" $servervalues) }}
         mode: {{ $tlsMode }}