diff --git a/helm/cosmo/templates/ingress.yaml b/helm/cosmo/templates/ingress.yaml
index abf3bf9541..913be1417f 100644
--- a/helm/cosmo/templates/ingress.yaml
+++ b/helm/cosmo/templates/ingress.yaml
@@ -35,6 +35,19 @@ spec:
       secretName: {{ .secretName }}
     {{- end }}
   {{- end }}
+  {{- if .Values.ingress.defaultBackend }}
+  {{- if semverCompare ">=1.19-0" .Capabilities.KubeVersion.GitVersion }}
+  defaultBackend:
+    service:
+      name: {{ .Values.ingress.defaultBackend.name }}
+      port:
+        number: {{ .Values.ingress.defaultBackend.port }}
+  {{- else }}
+  backend:
+    serviceName: {{ .Values.ingress.defaultBackend.name }}
+    servicePort: {{ .Values.ingress.defaultBackend.port }}
+  {{- end }}
+  {{- end }}
   rules:
     {{- if .Values.global.controlplane.enabled }}
     - host: {{ (urlParse .Values.global.controlplane.webUrl).host | quote }}
diff --git a/helm/cosmo/values.yaml b/helm/cosmo/values.yaml
index e823d46a38..45460528d4 100644
--- a/helm/cosmo/values.yaml
+++ b/helm/cosmo/values.yaml
@@ -111,6 +111,9 @@ ingress:
   #  - secretName: chart-example-tls
   #    hosts:
   #      - chart-example.local
+  # defaultBackend:
+  #   name: chart-example-service
+  #   port: 1234
 
 # Cosmo CDN. For more options, please refer to the README.md
 cdn: