diff --git a/Classes/Parser/LessParser.php b/Classes/Parser/LessParser.php
index fd8cc7b..e3cc6a1 100644
--- a/Classes/Parser/LessParser.php
+++ b/Classes/Parser/LessParser.php
@@ -13,6 +13,7 @@
  */
 class LessParser extends \KayStrobach\Dyncss\Parser\AbstractParser
 {
+    protected $parser;
 
     /**
      *