diff --git a/backend/windmill-worker/loader.bun.js b/backend/windmill-worker/loader.bun.js
index 5455e8b099..857bc95573 100644
--- a/backend/windmill-worker/loader.bun.js
+++ b/backend/windmill-worker/loader.bun.js
@@ -62,7 +62,7 @@ const p = {
       const contents = await req.text();
       return {
         contents: replaceRelativeImports(contents).contents,
-        loader: "ts",
+        loader: "tsx",
       };
     });