diff --git a/cli/src/commands/build.js b/cli/src/commands/build.js
index 2231b1b5..79697824 100644
--- a/cli/src/commands/build.js
+++ b/cli/src/commands/build.js
@@ -58,6 +58,7 @@ const handler = async ({
     force,
     pack: packAppOutput,
 }) => {
+    // todo: we need to infer TypeScript in build command here similar to start
     const paths = makePaths(cwd)
 
     mode = mode || (dev && 'development') || getNodeEnv() || 'production'
diff --git a/cli/src/lib/paths.js b/cli/src/lib/paths.js
index 6a113975..34d8c7ef 100644
--- a/cli/src/lib/paths.js
+++ b/cli/src/lib/paths.js
@@ -18,7 +18,7 @@ const findYarnLock = (base, rootDirectory) => {
     return findYarnLock(path.dirname(base), rootDirectory)
 }
 
-module.exports = (cwd = process.cwd(), { typeScript }) => {
+module.exports = (cwd = process.cwd(), { typeScript } = {}) => {
     const base = path.resolve(cwd)
     const rootDirectory = path.parse(cwd).root
     const initFolder = typeScript ? 'init-typescript' : 'init'