diff --git a/.php-cs-fixer.dist.php b/.php-cs-fixer.dist.php
index 19415ac49..76dc9efee 100644
--- a/.php-cs-fixer.dist.php
+++ b/.php-cs-fixer.dist.php
@@ -14,6 +14,7 @@
         'bin/box',
         'bin/generate_default_stub',
     ])
+    ->exclude('build/dir018/var')
     ->notName('*-phar-stub.php');
 
 $overriddenRules = [