diff --git a/src/transforms/v2-to-v3/transformer.ts b/src/transforms/v2-to-v3/transformer.ts
index 0f0ed35c0..0e266c9e7 100644
--- a/src/transforms/v2-to-v3/transformer.ts
+++ b/src/transforms/v2-to-v3/transformer.ts
@@ -40,3 +40,5 @@ export default function transformer(file: FileInfo, api: API) {
 
   return source.toSource();
 }
+
+export const parser = "babylon";