diff --git a/core/modules/views/src/Plugin/views/field/Serialized.php b/core/modules/views/src/Plugin/views/field/Serialized.php
index 826a5aa..18b048a 100644
--- a/core/modules/views/src/Plugin/views/field/Serialized.php
+++ b/core/modules/views/src/Plugin/views/field/Serialized.php
@@ -91,14 +91,13 @@ public function render(ResultRow $values) {
     }
     elseif ($this->options['format'] == 'custom_template' && !empty($this->options['custom_template'])) {
       $value = unserialize($value);
-      $render_array = [
+      return [
         '#type' => 'inline_template',
         '#template' => $this->options['custom_template'],
         '#context' => [
           'item' => $value,
         ],
       ];
-      return $this->getRenderer()->renderPlain($render_array);
     }
 
     return $value;