diff --git a/examples/test.lua b/examples/test.lua
index c2877c4..62667fb 100644
--- a/examples/test.lua
+++ b/examples/test.lua
@@ -92,4 +92,6 @@ end
 
 for k, v in (ipairs(table)) do
     print(k, v)
-end
\ No newline at end of file
+end
+
+print(_ENV.sometable)
\ No newline at end of file
diff --git a/src/token_stream/lexer.rs b/src/token_stream/lexer.rs
index 955958a..1e383e1 100644
--- a/src/token_stream/lexer.rs
+++ b/src/token_stream/lexer.rs
@@ -286,7 +286,7 @@ pub fn tokenize<T: Into<String>>(to_tokenize: T) -> Result<Vec<FullToken>, Error
                 }
             }
             // "words"
-            c if c.is_alphabetic() => {
+            c if c.is_alphabetic() || *c == '_' => {
                 let mut value = character.to_string();
                 while let Some(c) = cursor.first() {
                     if !(c.is_ascii_alphanumeric() || c == '_') {