diff --git a/.php_cs.dist b/.php_cs.dist
index 140fd32650..6282431a41 100644
--- a/.php_cs.dist
+++ b/.php_cs.dist
@@ -1,5 +1,9 @@
 <?php
 
+if (!file_exists(__DIR__.'/src')) {
+    exit(0);
+}
+
 return PhpCsFixer\Config::create()
     ->setRules(array(
         '@Symfony' => true,