diff --git a/module/VuFind/src/VuFind/Controller/SummonController.php b/module/VuFind/src/VuFind/Controller/SummonController.php
index eaff57a207193c03ae1e1e2cd5117d8bba2898f0..0ee5bb7cd702496faf0f50c83dedb798abd4bfce 100644
--- a/module/VuFind/src/VuFind/Controller/SummonController.php
+++ b/module/VuFind/src/VuFind/Controller/SummonController.php
@@ -63,9 +63,13 @@ class SummonController extends AbstractSearch
     /**
      * Use preDispatch event to add Summon message.
      *
+     * @param MvcEvent $e Event object
+     *
      * @return void
+     *
+     * @SuppressWarnings(PHPMD.UnusedFormalParameter)
      */
-    public function preDispatch()
+    public function preDispatch(MvcEvent $e)
     {
         $this->layout()->poweredBy
             = 'Powered by Summonâ„¢ from Serials Solutions, a division of ProQuest.';