diff --git a/packager/src/JSTransformer/worker/inline.js b/packager/src/JSTransformer/worker/inline.js
index 91811a1f8..9952f2290 100644
--- a/packager/src/JSTransformer/worker/inline.js
+++ b/packager/src/JSTransformer/worker/inline.js
@@ -170,7 +170,7 @@ type AstResult = {
 function inline(
   filename: string,
   transformResult: {ast?: ?Ast, code: string, map: ?SourceMap},
-  options: {},
+  options: {+dev: boolean, +platform: string},
 ): AstResult {
   const code = transformResult.code;
   const babelOptions = {