diff --git a/app/code/Magento/Widget/Model/Template/Filter.php b/app/code/Magento/Widget/Model/Template/Filter.php
index c79334f67a9c3..97e2d4fdcd775 100644
--- a/app/code/Magento/Widget/Model/Template/Filter.php
+++ b/app/code/Magento/Widget/Model/Template/Filter.php
@@ -22,21 +22,22 @@ class Filter extends \Magento\Cms\Model\Template\Filter
     protected $_widget;
 
     /**
-     * @param \Magento\Framework\Stdlib\StringUtils $string
-     * @param \Psr\Log\LoggerInterface $logger
-     * @param \Magento\Framework\Escaper $escaper
-     * @param \Magento\Framework\View\Asset\Repository $assetRepo
+     * @param \Magento\Framework\Stdlib\StringUtils              $string
+     * @param \Psr\Log\LoggerInterface                           $logger
+     * @param \Magento\Framework\Escaper                         $escaper
+     * @param \Magento\Framework\View\Asset\Repository           $assetRepo
      * @param \Magento\Framework\App\Config\ScopeConfigInterface $scopeConfig
-     * @param \Magento\Variable\Model\VariableFactory $coreVariableFactory
-     * @param \Magento\Store\Model\StoreManagerInterface $storeManager
-     * @param \Magento\Framework\View\LayoutInterface $layout
-     * @param \Magento\Framework\View\LayoutFactory $layoutFactory
-     * @param \Magento\Framework\App\State $appState
-     * @param \Magento\Framework\UrlInterface $urlModel
-     * @param \Pelago\Emogrifier $emogrifier
-     * @param \Magento\Variable\Model\Source\Variables $configVariables
-     * @param \Magento\Widget\Model\ResourceModel\Widget $widgetResource
-     * @param \Magento\Widget\Model\Widget $widget
+     * @param \Magento\Variable\Model\VariableFactory            $coreVariableFactory
+     * @param \Magento\Store\Model\StoreManagerInterface         $storeManager
+     * @param \Magento\Framework\View\LayoutInterface            $layout
+     * @param \Magento\Framework\View\LayoutFactory              $layoutFactory
+     * @param \Magento\Framework\App\State                       $appState
+     * @param \Magento\Framework\UrlInterface                    $urlModel
+     * @param \Pelago\Emogrifier                                 $emogrifier
+     * @param \Magento\Variable\Model\Source\Variables           $configVariables
+     * @param \Magento\Widget\Model\ResourceModel\Widget         $widgetResource
+     * @param \Magento\Widget\Model\Widget                       $widget
+     * @param array                                              $directiveProcessors
      * @SuppressWarnings(PHPMD.ExcessiveParameterList)
      */
     public function __construct(
@@ -54,7 +55,8 @@ public function __construct(
         \Pelago\Emogrifier $emogrifier,
         \Magento\Variable\Model\Source\Variables $configVariables,
         \Magento\Widget\Model\ResourceModel\Widget $widgetResource,
-        \Magento\Widget\Model\Widget $widget
+        \Magento\Widget\Model\Widget $widget,
+        array $directiveProcessors = []
     ) {
         $this->_widgetResource = $widgetResource;
         $this->_widget = $widget;
@@ -71,7 +73,10 @@ public function __construct(
             $appState,
             $urlModel,
             $emogrifier,
-            $configVariables
+            $configVariables,
+            [],
+            null,
+            $directiveProcessors
         );
     }
 
@@ -140,6 +145,7 @@ public function widgetDirective($construction)
      */
     public function mediaDirective($construction)
     {
+        // phpcs:ignore Magento2.Functions.DiscouragedFunction
         $params = $this->getParameters(html_entity_decode($construction[2], ENT_QUOTES));
         return $this->_storeManager->getStore()
             ->getBaseUrl(\Magento\Framework\UrlInterface::URL_TYPE_MEDIA) . $params['url'];
diff --git a/dev/tests/integration/testsuite/Magento/Widget/Model/Template/FilterTest.php b/dev/tests/integration/testsuite/Magento/Widget/Model/Template/FilterTest.php
index fc3b0399d0497..d694db6b90cf6 100644
--- a/dev/tests/integration/testsuite/Magento/Widget/Model/Template/FilterTest.php
+++ b/dev/tests/integration/testsuite/Magento/Widget/Model/Template/FilterTest.php
@@ -34,4 +34,18 @@ public function testMediaDirectiveWithEncodedQuotes()
         $result = $filter->mediaDirective($construction);
         $this->assertEquals($baseUrl . $image, $result);
     }
+
+    public function testCustomDirective()
+    {
+        // via TestModuleSimpleTemplateDirective
+        $template = '{{mydir "somevalue" param1=yes}}';
+        $expected = 'SEYEULAVEMOS';
+
+        /** @var \Magento\Widget\Model\Template\Filter $filter */
+        $filter = \Magento\TestFramework\Helper\Bootstrap::getObjectManager()->create(
+            \Magento\Widget\Model\Template\Filter::class
+        );
+        $result = $filter->filter($template);
+        $this->assertEquals($expected, $result);
+    }
 }