diff --git a/Application/Core/redirectControllerTrait.php b/Application/Core/redirectControllerTrait.php
index a5fede4..68ca4de 100644
--- a/Application/Core/redirectControllerTrait.php
+++ b/Application/Core/redirectControllerTrait.php
@@ -20,13 +20,16 @@ use OxidEsales\Eshop\Core\Registry;
 
 trait redirectControllerTrait
 {
-    protected function d3DoPRGRedirect()
+    /**
+     * @return void
+     */
+    protected function d3DoPRGRedirect(): void
     {
         if ($this->d3ShouldDoPRGredirect()) {
             /** @var Utils_PRGredirect $utils */
             $utils = Registry::getUtils();
 
-            $this->setFncName(null);
+            $this->setFncName('');
             $utils->d3PrgRedirect($this->generatePageNavigationUrl());
         }
     }
diff --git a/Modules/Core/Utils_PRGredirect.php b/Modules/Core/Utils_PRGredirect.php
index 42c12a1..c30c42d 100644
--- a/Modules/Core/Utils_PRGredirect.php
+++ b/Modules/Core/Utils_PRGredirect.php
@@ -15,12 +15,16 @@ declare(strict_types=1);
 
 namespace D3\PRGredirects\Modules\Core;
 
-use Exception;
+use OxidEsales\Eshop\Core\Exception\StandardException;
 use OxidEsales\Eshop\Core\Registry;
 
 class Utils_PRGredirect extends Utils_PRGredirect_parent
 {
-    public function d3PrgRedirect($url)
+    /**
+     * @param string $url
+     * @return void
+     */
+    public function d3PrgRedirect(string $url): void
     {
         $url         = str_ireplace("&", "&", $url);
         $headerCode = "HTTP/1.1 303 See Other";
@@ -29,7 +33,7 @@ class Utils_PRGredirect extends Utils_PRGredirect_parent
             $this->_simpleRedirect($url, $headerCode);
 
             Registry::getSession()->freeze();
-        } catch (Exception $e) {
+        } catch (StandardException $e) {
             $e->debugOut();
         }
 
diff --git a/phpstan.neon b/phpstan.neon
index 2c922fe..9c98f3a 100644
--- a/phpstan.neon
+++ b/phpstan.neon
@@ -4,5 +4,5 @@ parameters:
     paths:
         - Application
         - Modules
-    level: 0
-    phpVersion: 80000
+    level: 9
+    phpVersion: 70100