1 files changed, 1 insertions, 1 deletions
diff --git a/src/NXP/Classes/Lexer.php b/src/NXP/Classes/Lexer.php
index 63a87b2..3729e48 100644
--- a/src/NXP/Classes/Lexer.php
+++ b/src/NXP/Classes/Lexer.php
@@ -45,7 +45,7 @@ class Lexer
         $matches = array();
         preg_match_all($this->tokenFactory->getTokenParserRegex(), $input, $matches);
         $tokensStream = array_map(
-            function ($token) {
+            function ($token) use ($this) {
                 return $this->tokenFactory->createToken($token);
             },
             $matches[0]