diff --git a/charts/karmada/templates/karmada-aggregated-apiserver.yaml b/charts/karmada/templates/karmada-aggregated-apiserver.yaml
index f4998e2a8..189b83d71 100644
--- a/charts/karmada/templates/karmada-aggregated-apiserver.yaml
+++ b/charts/karmada/templates/karmada-aggregated-apiserver.yaml
@@ -106,7 +106,7 @@ spec:
             secretName: {{ $name }}-cert
           {{- end }}
           {{- if eq .Values.etcd.mode "external" }}
-            secretName: external-etcd-cert
+            secretName: {{ $name }}-external-etcd-cert
           {{- end }}
 ---
 apiVersion: v1
diff --git a/charts/karmada/templates/karmada-apiserver.yaml b/charts/karmada/templates/karmada-apiserver.yaml
index d8b44f534..fdb210b2f 100644
--- a/charts/karmada/templates/karmada-apiserver.yaml
+++ b/charts/karmada/templates/karmada-apiserver.yaml
@@ -144,7 +144,7 @@ spec:
             secretName: {{ $name }}-cert
           {{- end }}
           {{- if eq .Values.etcd.mode "external" }}
-            secretName: external-etcd-cert
+            secretName: {{ $name }}-external-etcd-cert
           {{- end }}
 ---
 apiVersion: v1
diff --git a/charts/karmada/templates/karmada-cert.yaml b/charts/karmada/templates/karmada-cert.yaml
index 80421cd74..0fa454a3f 100644
--- a/charts/karmada/templates/karmada-cert.yaml
+++ b/charts/karmada/templates/karmada-cert.yaml
@@ -39,7 +39,7 @@ data:
 apiVersion: v1
 kind: Secret
 metadata:
-  name: external-etcd-cert
+  name: {{ include "karmada.name" . }}-external-etcd-cert
   namespace: {{ include "karmada.namespace" . }}
 type: Opaque
 data: