diff --git a/.gitignore b/.gitignore
index 567609b..1be61f5 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,3 @@
 build/
+.cache/
+
diff --git a/lexer.l b/lexer.l
index 7458e26..ab6cce8 100644
--- a/lexer.l
+++ b/lexer.l
@@ -26,17 +26,13 @@
     // boilerplate for this small example. Bummer.
 %}
 
-%option nodefault
-%option noyywrap
-%option c++
-%option yyclass="Lexer"
-%option prefix="stela_"
+%option nodefault noyywrap noyylineno c++ yyclass="Lexer" prefix="stela_"
 
 %%
 
 [a-z]+ {
     std::cout << "Scanner: identifier [" << yytext << "]\n";
-    return stela::Parser::make_STRING(yytext, stela::location( /* put location data here if you want */ )); 
+    return stela::Parser::make_STRING(yytext, stela::location()); 
 }
 
 \( {
diff --git a/main.cpp b/main.cpp
index 89ce4a9..65d07c5 100644
--- a/main.cpp
+++ b/main.cpp
@@ -1,7 +1,7 @@
-#include <iostream>
+#include "interpreter.hpp"
 #include "lexer.hpp"
 #include "parser.hpp"
-#include "interpreter.hpp"
+#include <iostream>
 
 int main()
 {
@@ -10,4 +10,3 @@ int main()
     std::cout << "Prase completed with result: " << result << '\n';
     return result;
 }
-
diff --git a/parser.y b/parser.y
index 2be43ef..bc2e057 100644
--- a/parser.y
+++ b/parser.y
@@ -1,5 +1,6 @@
 %skeleton "lalr1.cc"
-%require "3.8"
+%require "3.8.2"
+
 %defines
 %define api.parser.class { Parser }
 %define api.token.constructor