diff --git a/artifacts/examples/istio-abtest.yaml b/artifacts/examples/istio-abtest.yaml
index 28cdde14a..1586eac2b 100644
--- a/artifacts/examples/istio-abtest.yaml
+++ b/artifacts/examples/istio-abtest.yaml
@@ -20,7 +20,7 @@ spec:
     portName: http
     portDiscovery: true
     gateways:
-      - public-gateway.istio-system.svc.cluster.local
+      - istio-system/public-gateway
       - mesh
     hosts:
       - app.example.com
diff --git a/artifacts/examples/istio-canary.yaml b/artifacts/examples/istio-canary.yaml
index 6f5760980..f8d417040 100644
--- a/artifacts/examples/istio-canary.yaml
+++ b/artifacts/examples/istio-canary.yaml
@@ -21,7 +21,7 @@ spec:
     portName: http
     portDiscovery: true
     gateways:
-    - public-gateway.istio-system.svc.cluster.local
+    - istio-system/public-gateway
     - mesh
     hosts:
     - app.example.com
diff --git a/charts/podinfo/README.md b/charts/podinfo/README.md
index 6a6260229..a0fac5a62 100644
--- a/charts/podinfo/README.md
+++ b/charts/podinfo/README.md
@@ -20,7 +20,7 @@ helm upgrade -i frontend flagger/podinfo \
 --set backend=http://backend.test:9898/echo \
 --set canary.enabled=true \
 --set canary.istioIngress.enabled=true \
---set canary.istioIngress.gateway=public-gateway.istio-system.svc.cluster.local \
+--set canary.istioIngress.gateway=istio-system/public-gateway \
 --set canary.istioIngress.host=frontend.istio.example.com
 ```
 
diff --git a/charts/podinfo/values.yaml b/charts/podinfo/values.yaml
index ac890a2c2..322a4cd30 100644
--- a/charts/podinfo/values.yaml
+++ b/charts/podinfo/values.yaml
@@ -25,7 +25,7 @@ canary:
   istioIngress:
     enabled: false
     # Istio ingress gateway name
-    gateway: public-gateway.istio-system.svc.cluster.local
+    gateway: istio-system/public-gateway
     # external host name eg. podinfo.example.com
     host:
   analysis:
diff --git a/docs/gitbook/faq.md b/docs/gitbook/faq.md
index 4ff2f32ec..773eac1ba 100644
--- a/docs/gitbook/faq.md
+++ b/docs/gitbook/faq.md
@@ -558,7 +558,7 @@ spec:
     portName: http-frontend
     # Istio gateways (optional)
     gateways:
-    - public-gateway.istio-system.svc.cluster.local
+    - istio-system/public-gateway
     - mesh
     # Istio virtual service host names (optional)
     hosts:
@@ -614,7 +614,7 @@ metadata:
       uid: 3a4a40dd-3875-11e9-8e1d-42010a9c0fd1
 spec:
   gateways:
-    - public-gateway.istio-system.svc.cluster.local
+    - istio-system/public-gateway
     - mesh
   hosts:
     - frontend.example.com
@@ -784,7 +784,7 @@ metadata:
   namespace: test
 spec:
   gateways:
-    - public-gateway.istio-system.svc.cluster.local
+    - istio-system/public-gateway
     - mesh
   hosts:
     - frontend.example.com
@@ -821,7 +821,7 @@ spec:
   service:
     port: 8080
     gateways:
-    - public-gateway.istio-system.svc.cluster.local
+    - istio-system/public-gateway
     hosts:
     - my-site.com
     match:
@@ -838,7 +838,7 @@ spec:
   service:
     port: 8080
     gateways:
-    - public-gateway.istio-system.svc.cluster.local
+    - istio-system/public-gateway
     hosts:
     - my-site.com
     match:
diff --git a/docs/gitbook/install/flagger-install-on-google-cloud.md b/docs/gitbook/install/flagger-install-on-google-cloud.md
index a1dc342e7..c8eb960b5 100644
--- a/docs/gitbook/install/flagger-install-on-google-cloud.md
+++ b/docs/gitbook/install/flagger-install-on-google-cloud.md
@@ -383,7 +383,7 @@ spec:
   hosts:
   - "grafana.example.com"
   gateways:
-  - public-gateway.istio-system.svc.cluster.local
+  - istio-system/public-gateway
   http:
   - route:
     - destination:
diff --git a/docs/gitbook/tutorials/canary-helm-gitops.md b/docs/gitbook/tutorials/canary-helm-gitops.md
index 9b96f6819..c66ac0610 100644
--- a/docs/gitbook/tutorials/canary-helm-gitops.md
+++ b/docs/gitbook/tutorials/canary-helm-gitops.md
@@ -50,7 +50,7 @@ helm upgrade -i frontend flagger/podinfo \
 --set backend=http://backend.test:9898/echo \
 --set canary.enabled=true \
 --set canary.istioIngress.enabled=true \
---set canary.istioIngress.gateway=public-gateway.istio-system.svc.cluster.local \
+--set canary.istioIngress.gateway=istio-system/public-gateway \
 --set canary.istioIngress.host=frontend.istio.example.com
 ```
 
@@ -278,7 +278,7 @@ spec:
         enabled: true
         istioIngress:
           enabled: true
-          gateway: public-gateway.istio-system.svc.cluster.local
+          gateway: istio-system/public-gateway
           host: frontend.istio.example.com
         loadtest:
           enabled: true
diff --git a/docs/gitbook/tutorials/istio-ab-testing.md b/docs/gitbook/tutorials/istio-ab-testing.md
index 735399e04..d7168a708 100644
--- a/docs/gitbook/tutorials/istio-ab-testing.md
+++ b/docs/gitbook/tutorials/istio-ab-testing.md
@@ -92,7 +92,7 @@ spec:
     port: 9898
     # Istio gateways (optional)
     gateways:
-    - public-gateway.istio-system.svc.cluster.local
+    - istio-system/public-gateway
     # Istio virtual service host names (optional)
     hosts:
     - app.example.com
diff --git a/docs/gitbook/tutorials/istio-progressive-delivery.md b/docs/gitbook/tutorials/istio-progressive-delivery.md
index 12f862463..a051ae760 100644
--- a/docs/gitbook/tutorials/istio-progressive-delivery.md
+++ b/docs/gitbook/tutorials/istio-progressive-delivery.md
@@ -95,7 +95,7 @@ spec:
     targetPort: 9898
     # Istio gateways (optional)
     gateways:
-    - public-gateway.istio-system.svc.cluster.local
+    - istio-system/public-gateway
     # Istio virtual service host names (optional)
     hosts:
     - app.example.com
@@ -326,7 +326,7 @@ spec:
     targetPort: 9898
     # Istio gateways (optional)
     gateways:
-    - public-gateway.istio-system.svc.cluster.local
+    - istio-system/public-gateway
     # Istio virtual service host names (optional)
     hosts:
     - app.example.com
diff --git a/docs/gitbook/tutorials/zero-downtime-deployments.md b/docs/gitbook/tutorials/zero-downtime-deployments.md
index 7dc0dcab5..432ab38c3 100644
--- a/docs/gitbook/tutorials/zero-downtime-deployments.md
+++ b/docs/gitbook/tutorials/zero-downtime-deployments.md
@@ -172,7 +172,7 @@ spec:
   service:
     port: 9898
     gateways:
-    - public-gateway.istio-system.svc.cluster.local
+    - istio-system/public-gateway
     hosts:
     - app.example.com
     retries:
diff --git a/pkg/router/istio_test.go b/pkg/router/istio_test.go
index f74dc2f1a..5a96b2038 100644
--- a/pkg/router/istio_test.go
+++ b/pkg/router/istio_test.go
@@ -80,7 +80,7 @@ func TestIstioRouter_Sync(t *testing.T) {
 	// test drift
 	vsClone := vs.DeepCopy()
 	gateways := vsClone.Spec.Gateways
-	gateways = append(gateways, "test-gateway.istio-system")
+	gateways = append(gateways, "istio-system/test-gateway")
 	vsClone.Spec.Gateways = gateways
 	totalGateways := len(mocks.canary.Spec.Service.Gateways)
 
@@ -542,7 +542,7 @@ func TestIstioRouter_Delegate(t *testing.T) {
 		if len(mocks.canary.Spec.Service.Gateways) == 0 {
 			// in this case, the gateways or hosts should not be not empty because it requires to cause an error.
 			mocks.canary.Spec.Service.Gateways = []string{
-				"public-gateway.istio",
+				"istio/public-gateway",
 				"mesh",
 			}
 		}
@@ -583,7 +583,7 @@ func TestIstioRouter_Finalize(t *testing.T) {
 
 	kubectlSpec := &istiov1alpha3.VirtualServiceSpec{
 		Hosts:    []string{"podinfo"},
-		Gateways: []string{"ingressgateway.istio-system.svc.cluster.local"},
+		Gateways: []string{"istio-system/ingressgateway"},
 		Http: []istiov1alpha3.HTTPRoute{
 			{
 				Match: nil,
@@ -631,7 +631,7 @@ func TestIstioRouter_Finalize(t *testing.T) {
 				require.NoError(t, err)
 				vs.Annotations[configAnnotation] = string(b)
 			case "kubectl":
-				vs.Annotations[kubectlAnnotation] = `{"apiVersion": "networking.istio.io/v1alpha3","kind": "VirtualService","metadata": {"annotations": {},"name": "podinfo","namespace": "test"},  "spec": {"gateways": ["ingressgateway.istio-system.svc.cluster.local"],"hosts": ["podinfo"],"http": [{"route": [{"destination": {"host": "podinfo"}}]}]}}`
+				vs.Annotations[kubectlAnnotation] = `{"apiVersion": "networking.istio.io/v1alpha3","kind": "VirtualService","metadata": {"annotations": {},"name": "podinfo","namespace": "test"},  "spec": {"gateways": ["istio-system/ingressgateway"],"hosts": ["podinfo"],"http": [{"route": [{"destination": {"host": "podinfo"}}]}]}}`
 			}
 			_, err = router.istioClient.NetworkingV1alpha3().VirtualServices(table.canary.Namespace).Update(context.TODO(), vs, metav1.UpdateOptions{})
 			require.NoError(t, err)
diff --git a/pkg/router/router_test.go b/pkg/router/router_test.go
index a25092481..70b6c5129 100644
--- a/pkg/router/router_test.go
+++ b/pkg/router/router_test.go
@@ -178,7 +178,7 @@ func newTestCanary() *flaggerv1.Canary {
 					RetryOn:       "connect-failure,gateway-error",
 				},
 				Gateways: []string{
-					"public-gateway.istio",
+					"istio/public-gateway",
 					"mesh",
 				},
 			}, Analysis: &flaggerv1.CanaryAnalysis{
diff --git a/test/istio/test-canary.sh b/test/istio/test-canary.sh
index 3165bdaf1..2979fed6e 100755
--- a/test/istio/test-canary.sh
+++ b/test/istio/test-canary.sh
@@ -467,7 +467,7 @@ metadata:
   namespace: test
 spec:
   gateways:
-  - ingressgateway.istio-system.svc.cluster.local
+  - istio-system/ingressgateway
   hosts:
   - app.example.com
   - podinfo