diff --git a/mlf-cli/src/generate/lexicon.rs b/mlf-cli/src/generate/lexicon.rs
index 6f9f010..79177e7 100644
--- a/mlf-cli/src/generate/lexicon.rs
+++ b/mlf-cli/src/generate/lexicon.rs
@@ -88,11 +88,11 @@ pub fn run(input_patterns: Vec<String>, output_dir: PathBuf, flat: bool) -> Resu
 
         let namespace = extract_namespace(&file_path);
 
-        // Create workspace with prelude for inline type resolution
-        let mut workspace = match mlf_lang::Workspace::with_prelude() {
+        // Create workspace with standard library for inline type resolution
+        let mut workspace = match mlf_lang::Workspace::with_std() {
             Ok(ws) => ws,
             Err(e) => {
-                errors.push((file_path.display().to_string(), format!("Failed to load prelude: {:?}", e)));
+                errors.push((file_path.display().to_string(), format!("Failed to load standard library: {:?}", e)));
                 continue;
             }
         };