diff --git a/chart/templates/service.yaml b/chart/templates/service.yaml
index 7aa611e5..7319988c 100644
--- a/chart/templates/service.yaml
+++ b/chart/templates/service.yaml
@@ -11,6 +11,7 @@ spec:
       port: {{ .Values.service.port }}
       targetPort: {{ .Values.service.target }}
       protocol: TCP
+      appProtocol: TCP
     - name: "signaller"
       port: 8090
       targetPort: 8090