diff --git a/src/DevelDumperManager.php b/src/DevelDumperManager.php
index b88957e..d97ab64 100644
--- a/src/DevelDumperManager.php
+++ b/src/DevelDumperManager.php
@@ -4,12 +4,15 @@ namespace Drupal\devel;
 
 use Drupal\Core\Config\ConfigFactoryInterface;
 use Drupal\Core\Session\AccountProxyInterface;
+use Drupal\Core\StringTranslation\StringTranslationTrait;
 
 /**
- * Class DevelDumperManager
+ * Class DevelDumperManager.
  */
 class DevelDumperManager implements DevelDumperManagerInterface {
 
+  use StringTranslationTrait;
+
   /**
    * The devel config.
    *
@@ -100,7 +103,7 @@ class DevelDumperManager implements DevelDumperManagerInterface {
     // The temp directory does vary across multiple simpletest instances.
     $file = file_directory_temp() . '/drupal_debug.txt';
     if (file_put_contents($file, $output, FILE_APPEND) === FALSE && $this->hasAccessToDevelInformation()) {
-      drupal_set_message(t('Devel was unable to write to %file.', ['%file' => $file]), 'error');
+      drupal_set_message($this->t('Devel was unable to write to %file.', ['%file' => $file]), 'error');
       return FALSE;
     }
   }