diff --git a/src/Config.php b/src/Config.php
index f4245f6761531e3ee596277978247544af9d86f1..67f3b3e052f80955b44f74a735dba036c64a9adb 100644
--- a/src/Config.php
+++ b/src/Config.php
@@ -187,7 +187,7 @@ final class Config extends PhpCsFixerConfig
     private static function findGitRepository(string $path): string
     {
         while (!is_dir($path . '/.git') && $path !== '/') {
-            $path = dirname($path);
+            $path = \dirname($path);
         }
 
         return $path;