diff --git a/src/ExportMap.js b/src/ExportMap.js
index d747d5cb18..d818fa6ca8 100644
--- a/src/ExportMap.js
+++ b/src/ExportMap.js
@@ -527,7 +527,7 @@ ExportMap.parse = function (path, content, context) {
     try {
       if (tsConfigInfo.tsConfigPath !== undefined) {
         // Projects not using TypeScript won't have `typescript` installed.
-        if (!ts) (ts = require('typescript'));
+        if (!ts) { ts = require('typescript'); }
   
         const configFile = ts.readConfigFile(tsConfigInfo.tsConfigPath, ts.sys.readFile);
         return ts.parseJsonConfigFileContent(