diff --git a/test/infrastructure/docker/config/webhook/manager_webhook_patch.yaml b/test/infrastructure/docker/config/webhook/manager_webhook_patch.yaml
index ac72d5866b06..f3d554cb032a 100644
--- a/test/infrastructure/docker/config/webhook/manager_webhook_patch.yaml
+++ b/test/infrastructure/docker/config/webhook/manager_webhook_patch.yaml
@@ -9,7 +9,7 @@ spec:
       containers:
       - name: manager
         ports:
-        - containerPort: 443
+        - containerPort: 9443
           name: webhook-server
           protocol: TCP
         volumeMounts:
diff --git a/test/infrastructure/docker/config/webhook/service.yaml b/test/infrastructure/docker/config/webhook/service.yaml
index b4861025ab46..31e0f8295919 100644
--- a/test/infrastructure/docker/config/webhook/service.yaml
+++ b/test/infrastructure/docker/config/webhook/service.yaml
@@ -7,6 +7,6 @@ metadata:
 spec:
   ports:
     - port: 443
-      targetPort: 443
+      targetPort: 9443
   selector:
     control-plane: controller-manager
diff --git a/test/infrastructure/docker/main.go b/test/infrastructure/docker/main.go
index 536eed9e4dcc..537e67a09803 100644
--- a/test/infrastructure/docker/main.go
+++ b/test/infrastructure/docker/main.go
@@ -18,11 +18,12 @@ package main
 
 import (
 	"flag"
-	"github.com/spf13/pflag"
 	"math/rand"
 	"os"
 	"time"
 
+	"github.com/spf13/pflag"
+
 	"k8s.io/apimachinery/pkg/runtime"
 	"k8s.io/client-go/kubernetes/scheme"
 	_ "k8s.io/client-go/plugin/pkg/client/auth/gcp"
@@ -80,6 +81,7 @@ func main() {
 		LeaderElectionID:       "controller-leader-election-capd",
 		SyncPeriod:             &syncPeriod,
 		HealthProbeBindAddress: healthAddr,
+		Port:                   9443,
 	})
 	if err != nil {
 		setupLog.Error(err, "unable to start manager")