diff --git a/packages/typegen/scripts/execWithSrc.cjs b/packages/typegen/scripts/execWithSrc.cjs
index 3540d8a8cb..f54f6facdd 100644
--- a/packages/typegen/scripts/execWithSrc.cjs
+++ b/packages/typegen/scripts/execWithSrc.cjs
@@ -5,7 +5,7 @@ module.exports = function (file) {
   let main;
 
   try {
-    main = require(`../${file}.cjs`).main;
+    main = require(`../cjs/${file}.js`).main;
   } catch (error) {
     // required for dev-only setups
     process.env.JEST_WORKER_ID = '123';