diff --git a/src/Contao/View/Contao2BackendView/ActionHandler/CopyHandler.php b/src/Contao/View/Contao2BackendView/ActionHandler/CopyHandler.php
index 4ff8475e..754ef9d8 100644
--- a/src/Contao/View/Contao2BackendView/ActionHandler/CopyHandler.php
+++ b/src/Contao/View/Contao2BackendView/ActionHandler/CopyHandler.php
@@ -237,8 +237,10 @@ protected function redirect($environment, $copiedModelId)
             ->setQueryParameter('do', $inputProvider->getParameter('do'))
             ->setQueryParameter('table', $copiedModelId->getDataProviderName())
             ->setQueryParameter('act', 'edit')
-            ->setQueryParameter('id', $copiedModelId->getSerialized())
-            ->setQueryParameter('pid', $inputProvider->getParameter('pid'));
+            ->setQueryParameter('id', $copiedModelId->getSerialized());
+        if (null !== ($pid = $inputProvider->getParameter('pid'))) {
+            $urlBuilder->setQueryParameter('pid', $pid);
+        }
 
         $redirectEvent = new RedirectEvent($this->securityUrlBuilder->create($urlBuilder->getUrl())->getUrl());