diff --git a/gleam.toml b/gleam.toml
index 9180935..be51ddc 100644
--- a/gleam.toml
+++ b/gleam.toml
@@ -1,5 +1,5 @@
 name = "escpos"
-version = "1.0.1"
+version = "1.0.2"
 
 description = "🖨️ ESC/POS library for Gleam"
 licences = ["Apache-2.0"]
diff --git a/src/escpos/document.gleam b/src/escpos/document.gleam
index fafd016..b788dc4 100644
--- a/src/escpos/document.gleam
+++ b/src/escpos/document.gleam
@@ -59,7 +59,7 @@ pub opaque type Modifier {
   Font(Font)
 }
 
-pub opaque type AST {
+type AST {
   Init
   DoWrite(String)
   DoLineFeed(Int)