diff --git a/src/Symfony/Component/DependencyInjection/Dumper/PhpDumper.php b/src/Symfony/Component/DependencyInjection/Dumper/PhpDumper.php
index ef7cb29aa3..d8b31dc18d 100644
--- a/src/Symfony/Component/DependencyInjection/Dumper/PhpDumper.php
+++ b/src/Symfony/Component/DependencyInjection/Dumper/PhpDumper.php
@@ -319,6 +319,10 @@ EOF;
 
 use Symfony\Component\DependencyInjection\Dumper\Preloader;
 
+if (in_array(PHP_SAPI, ['cli', 'phpdbg'], true)) {
+    return;
+}
+
 require $autoloadFile;
 require __DIR__.'/Container{$hash}/{$options['class']}.php';