diff --git a/Classes/Domain/Model/Mail.php b/Classes/Domain/Model/Mail.php
index f62005acc..41b094c6a 100644
--- a/Classes/Domain/Model/Mail.php
+++ b/Classes/Domain/Model/Mail.php
@@ -65,7 +65,7 @@ class Mail extends AbstractEntity
     /**
      * @var int
      */
-    protected $time = null;
+    protected $time = 0;
 
     /**
      * @var Form
@@ -543,7 +543,7 @@ public function getMarketingPageFunnelLastPage(): int
     {
         $pageFunnel = $this->getMarketingPageFunnel();
         if (count($pageFunnel)) {
-            return $pageFunnel[count($pageFunnel) - 1];
+            return (int) $pageFunnel[count($pageFunnel) - 1];
         }
         return 0;
     }