diff --git a/packages/babel-preset-typescript/src/index.js b/packages/babel-preset-typescript/src/index.js
index f7dc5eefae..f3159543f6 100644
--- a/packages/babel-preset-typescript/src/index.js
+++ b/packages/babel-preset-typescript/src/index.js
@@ -17,6 +17,7 @@ export default declare(
     if (typeof allExtensions !== "boolean") {
       throw new Error(".allExtensions must be a boolean, or undefined");
     }
+
     if (typeof isTSX !== "boolean") {
       throw new Error(".isTSX must be a boolean, or undefined");
     }