diff --git a/src/PhpGitHooks/Infrastructure/PhpLint/PhpLintHandler.php b/src/PhpGitHooks/Infrastructure/PhpLint/PhpLintHandler.php
index 99cda66..6f77c4e 100644
--- a/src/PhpGitHooks/Infrastructure/PhpLint/PhpLintHandler.php
+++ b/src/PhpGitHooks/Infrastructure/PhpLint/PhpLintHandler.php
@@ -14,7 +14,7 @@
  */
 class PhpLintHandler extends ToolHandler implements FilesToolHandlerInterface
 {
-    const NEEDLE = '/(\.php)|(\.inc)$/';
+    const NEEDLE = "/[(\.php)|(\.inc)]$/";
     /** @var array */
     private $files;