diff --git a/src/Symfony/Bridge/Twig/Extension/TranslationExtension.php b/src/Symfony/Bridge/Twig/Extension/TranslationExtension.php
index d65578608d1aa..4e143f78d360e 100644
--- a/src/Symfony/Bridge/Twig/Extension/TranslationExtension.php
+++ b/src/Symfony/Bridge/Twig/Extension/TranslationExtension.php
@@ -23,6 +23,7 @@
 
 // Help opcache.preload discover always-needed symbols
 class_exists(TranslatorInterface::class);
+class_exists(TranslatorTrait::class);
 
 /**
  * Provides integration of the Translation component with Twig.