diff --git a/controllers/postgres_controller.go b/controllers/postgres_controller.go
index 8d85efdd..9a5c9338 100644
--- a/controllers/postgres_controller.go
+++ b/controllers/postgres_controller.go
@@ -156,9 +156,15 @@ func (r *PostgresReconciler) Reconcile(req ctrl.Request) (ctrl.Result, error) {
 		return ctrl.Result{}, err
 	}
 
-	// todo: Check the port. The default port of postgres is used.
+	// Check if socket port is ready
+	port :=instance.Status.Socket.Port
+	if port == 0 {
+		log.Info("socket port not ready")
+		return ctrl.Result{Requeue: true}, nil
+	}
+
 	// Update status will be handled by the StatusReconciler, based on the Zalando Status
-	if err := r.createOrUpdateCWNP(ctx, instance, 5432); err != nil {
+	if err := r.createOrUpdateCWNP(ctx, instance, int(port)); err != nil {
 		return ctrl.Result{}, fmt.Errorf("unable to create or update corresponding CRD ClusterwideNetworkPolicy: %W", err)
 	}