diff --git a/app/src/Controller/AppController.php b/app/src/Controller/AppController.php
index 9520a197a..22127ad8b 100644
--- a/app/src/Controller/AppController.php
+++ b/app/src/Controller/AppController.php
@@ -282,7 +282,8 @@ protected function setMatchgrid() {
       } else {
         // We already have the primary link object in a viewvar
         
-        $plObj = $this->viewVars['vv_primary_link_obj'];
+        $ViewBuilder = $this->viewBuilder();
+        $plObj = $ViewBuilder->getVar('vv_primary_link_obj');
         
         if(!empty($plObj->matchgrid_id)) {
           $mgid = $plObj->matchgrid_id;