diff --git a/src/main.rs b/src/main.rs
index 95bc12c..5188a66 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -94,7 +94,7 @@ pub fn prelude<'src>() -> Process<'src> {
         locals: vec![],
         ast: p_ast,
         prelude: base_pkg,
-        // prelude_ast: &Ast::Nil,
+        args: Value::Nil,
     };
 
     let prelude = base_ctx.eval();
@@ -122,7 +122,7 @@ pub fn prelude<'src>() -> Process<'src> {
         locals: vec![],
         ast: &Ast::Nil,
         prelude: p_ctx,
-        // prelude_ast: p_ast,
+        args: Value::Nil,
     }
 }
 
diff --git a/src/process.rs b/src/process.rs
index f0f8259..3411e11 100644
--- a/src/process.rs
+++ b/src/process.rs
@@ -31,8 +31,8 @@ type LResult<'src> = Result<Value<'src>, LErr>;
 pub struct Process<'src> {
     pub locals: Vec<(String, Value<'src>)>,
     pub prelude: Vec<(String, Value<'src>)>,
-    // pub prelude_ast: &'src Ast,
     pub ast: &'src Ast,
+    pub args: Value<'src>,
 }
 
 impl<'src> Process<'src> {