diff --git a/charts/vela-core/templates/addons/istio.yaml b/charts/vela-core/templates/addons/istio.yaml
index 920495045..4fdebde17 100644
--- a/charts/vela-core/templates/addons/istio.yaml
+++ b/charts/vela-core/templates/addons/istio.yaml
@@ -8,7 +8,7 @@ data:
         addons.oam.dev/description: istio Controller is a Kubernetes Controller for manage
           traffic.
       name: istio
-      namespace: istio-system
+      namespace: vela-system
     spec:
       components:
       - name: ns-istio-system
diff --git a/vela-templates/addons/auto-gen/istio.yaml b/vela-templates/addons/auto-gen/istio.yaml
index b283a7c20..2dd1717ef 100644
--- a/vela-templates/addons/auto-gen/istio.yaml
+++ b/vela-templates/addons/auto-gen/istio.yaml
@@ -5,7 +5,7 @@ metadata:
     addons.oam.dev/description: istio Controller is a Kubernetes Controller for manage
       traffic.
   name: istio
-  namespace: istio-system
+  namespace: vela-system
 spec:
   components:
   - name: ns-istio-system
diff --git a/vela-templates/addons/istio/template.yaml b/vela-templates/addons/istio/template.yaml
index f99898c1d..49d2c1da2 100644
--- a/vela-templates/addons/istio/template.yaml
+++ b/vela-templates/addons/istio/template.yaml
@@ -4,7 +4,7 @@ metadata:
   annotations:
     addons.oam.dev/description: "istio Controller is a Kubernetes Controller for manage traffic."
   name: istio
-  namespace: istio-system
+  namespace: vela-system
 spec:
   workflow:
     steps: