diff --git a/phpunit.xml.dist b/phpunit.xml.dist
index f965e8e..0f48857 100644
--- a/phpunit.xml.dist
+++ b/phpunit.xml.dist
@@ -18,7 +18,7 @@
 
     <filter>
         <whitelist>
-            <directory suffix=".php">./lib/PHPParser/</directory>
+            <directory suffix=".php">./lib/PhpParser/</directory>
         </whitelist>
     </filter>
 </phpunit>
\ No newline at end of file