diff --git a/charts/incubator/omada-controller/values.yaml b/charts/incubator/omada-controller/values.yaml
index 53eeb33b829..d17bef1d9cf 100644
--- a/charts/incubator/omada-controller/values.yaml
+++ b/charts/incubator/omada-controller/values.yaml
@@ -62,6 +62,7 @@ service:
         targetPort: 29811
       omada-udp3:
         enabled: true
+        protocol: UDP
         port: 29812
         targetPort: 29812
       omada-udp4: