diff --git a/jlox/src/main/java/com/craftinginterpreters/lox/Scanner.java b/jlox/src/main/java/com/craftinginterpreters/lox/Scanner.java
index 3bdbf54..33cae28 100644
--- a/jlox/src/main/java/com/craftinginterpreters/lox/Scanner.java
+++ b/jlox/src/main/java/com/craftinginterpreters/lox/Scanner.java
@@ -51,4 +51,9 @@ class Scanner {
     private void addToken(TokenType type) {
         addToken(type, null);
     }
+
+    private void addToken(TokenType type, Object literal) {
+        String text = source.substring(start,  current);
+        tokens.add(new Token(type, text, literal, line));
+    }
 }