diff --git a/crates/dtmt/src/cmd/bundle/extract.rs b/crates/dtmt/src/cmd/bundle/extract.rs
index 57b7fe9..5e1c03b 100644
--- a/crates/dtmt/src/cmd/bundle/extract.rs
+++ b/crates/dtmt/src/cmd/bundle/extract.rs
@@ -133,7 +133,7 @@ async fn parse_command_line_template(tmpl: &String) -> Result<CmdLine> {
         if path.file_name() == Some(OsStr::new("main.py")) {
             let arg = path.display().to_string();
             let mut cmd = CmdLine::new("python");
-            cmd.arg("-c").arg(shlex::quote(&arg).to_string());
+            cmd.arg(shlex::quote(&arg).to_string());
             cmd
         } else {
             CmdLine::new(path)
diff --git a/lib/sdk/src/filetype/lua.rs b/lib/sdk/src/filetype/lua.rs
index cfc253a..3979b7a 100644
--- a/lib/sdk/src/filetype/lua.rs
+++ b/lib/sdk/src/filetype/lua.rs
@@ -81,7 +81,12 @@ where
         .map(|c| c.into())
         .unwrap_or_else(|| Command::new("ljd"));
 
-    cmd.arg("-f").arg(&temp);
+    cmd.arg("--catch_asserts")
+        .args(["--function_def_sugar", "false"])
+        .args(["--function_def_self_arg", "true"])
+        .args(["--unsafe", "false"])
+        .arg("-f")
+        .arg(&temp);
 
     tracing::debug!("Executing command: '{:?}'", cmd);