diff --git a/lib/bundle.js b/lib/bundle.js
index bc2460b..b8a5670 100644
--- a/lib/bundle.js
+++ b/lib/bundle.js
@@ -46,9 +46,8 @@ function bundle(input, nc, options, complete) {
   const mapfile    = options.output+'.map';
   let ws           = fs.createWriteStream(bundlePath);
 
-
   const igv = '__filename,__dirname,_process';
-  let insertGlobalVars = {},
+  let insertGlobalVars = { isNexe: true },
       wantedGlobalVars = igv.split(',');
 
   // parse insertGlobalVars.