diff --git a/apiserver/pkg/util/cluster.go b/apiserver/pkg/util/cluster.go
index 2b08c0cca1..7db60207d7 100644
--- a/apiserver/pkg/util/cluster.go
+++ b/apiserver/pkg/util/cluster.go
@@ -141,6 +141,10 @@ func buildHeadPodTemplate(cluster *api.Cluster, spec *api.HeadGroupSpec, compute
 							Name:          "dashboard",
 							ContainerPort: 8265,
 						},
+						{
+							Name:          "metrics",
+							ContainerPort: 8080,
+						},
 					},
 					Resources: v1.ResourceRequirements{
 						Limits: v1.ResourceList{
diff --git a/ray-operator/controllers/ray/common/pod.go b/ray-operator/controllers/ray/common/pod.go
index ac5773c287..ba36658bd3 100644
--- a/ray-operator/controllers/ray/common/pod.go
+++ b/ray-operator/controllers/ray/common/pod.go
@@ -66,7 +66,18 @@ func DefaultHeadPodTemplate(instance rayiov1alpha1.RayCluster, headSpec rayiov1a
 		Name:          "metrics",
 		ContainerPort: int32(DefaultMetricsPort),
 	}
-	podTemplate.Spec.Containers[0].Ports = append(podTemplate.Spec.Containers[0].Ports, metricsPort)
+	dupIndex := -1
+	for i, port := range podTemplate.Spec.Containers[0].Ports {
+		if port.Name == metricsPort.Name {
+			dupIndex = i
+			break
+		}
+	}
+	if dupIndex < 0 {
+		podTemplate.Spec.Containers[0].Ports = append(podTemplate.Spec.Containers[0].Ports, metricsPort)
+	} else {
+		podTemplate.Spec.Containers[0].Ports[dupIndex] = metricsPort
+	}
 
 	return podTemplate
 }