diff --git a/app/Http/Controllers/ClientPortalController.php b/app/Http/Controllers/ClientPortalController.php
index ffcf9b6f4105..333b9f6ff751 100644
--- a/app/Http/Controllers/ClientPortalController.php
+++ b/app/Http/Controllers/ClientPortalController.php
@@ -776,8 +776,8 @@ class ClientPortalController extends BaseController
 
         $publicId = Input::get('public_id');
         $enable = Input::get('enable');
-        $invoice = $client->invoices->where('public_id', intval($publicId))->first();
-
+        $invoice = $client->invoices()->where('public_id', intval($publicId))->first();
+        
         if ($invoice && $invoice->is_recurring && ($invoice->auto_bill == AUTO_BILL_OPT_IN || $invoice->auto_bill == AUTO_BILL_OPT_OUT)) {
             $invoice->client_enable_auto_bill = $enable ? true : false;
             $invoice->save();