diff --git a/public/typo3conf/ext/ep_events/Classes/Controller/AjaxOfferController.php b/public/typo3conf/ext/ep_events/Classes/Controller/AjaxOfferController.php
index 2d7506dc..9b91e893 100644
--- a/public/typo3conf/ext/ep_events/Classes/Controller/AjaxOfferController.php
+++ b/public/typo3conf/ext/ep_events/Classes/Controller/AjaxOfferController.php
@@ -102,7 +102,7 @@ class AjaxOfferController extends ActionController
             ->uriBuilder
             ->reset()
             ->setCreateAbsoluteUri(true)
-            ->setTargetPageUid($detailPageUid)
+            ->setTargetPageUid((int)$detailPageUid)
             ->buildFrontendUri();
     }
 
diff --git a/public/typo3conf/ext/ep_events/Classes/Controller/FormController.php b/public/typo3conf/ext/ep_events/Classes/Controller/FormController.php
index 6a8289c3..c600d191 100644
--- a/public/typo3conf/ext/ep_events/Classes/Controller/FormController.php
+++ b/public/typo3conf/ext/ep_events/Classes/Controller/FormController.php
@@ -121,7 +121,7 @@ class FormController extends ActionController
         return $this->uriBuilder
             ->reset()
             ->setCreateAbsoluteUri(true)
-            ->setTargetPageUid($pageUid)
+            ->setTargetPageUid((int)$pageUid)
             ->build()
         ;
     }
diff --git a/public/typo3conf/ext/ep_theme/Classes/ViewHelpers/Uri/ProductViewHelper.php b/public/typo3conf/ext/ep_theme/Classes/ViewHelpers/Uri/ProductViewHelper.php
index c37cb234..ce0ea99a 100644
--- a/public/typo3conf/ext/ep_theme/Classes/ViewHelpers/Uri/ProductViewHelper.php
+++ b/public/typo3conf/ext/ep_theme/Classes/ViewHelpers/Uri/ProductViewHelper.php
@@ -85,7 +85,7 @@ class ProductViewHelper extends AbstractViewHelper
                 ->getControllerContext()
                 ->getUriBuilder()
                 ->reset()
-                ->setTargetPageUid($product['detailPage'])
+                ->setTargetPageUid((int)$product['detailPage'])
                 ->uriFor('detail', $linkArguments, 'Product', 'epproducts', 'product_detail')
             ;
         } else {