diff --git a/Gruntfile.js b/Gruntfile.js
index <HASH>..<HASH> 100644
--- a/Gruntfile.js
+++ b/Gruntfile.js
@@ -54,7 +54,7 @@ module.exports = function (grunt) {
                     'js/**/*.js',
                     'wrapper/footer.js'
                 ],
-                dest: 'dist/igv.js'
+                dest: 'tmp/igv.js'
             },
             igv_esm: {
                 src: [
diff --git a/webpack.config.js b/webpack.config.js
index <HASH>..<HASH> 100644
--- a/webpack.config.js
+++ b/webpack.config.js
@@ -2,7 +2,7 @@ const path = require('path')
 
 module.exports = {
     mode: 'production',
-    entry:  ['babel-polyfill', './dist/igv.js'],
+    entry:  ['babel-polyfill', './tmp/igv.js'],
     target: 'web',
     output: {
         path: path.resolve(__dirname, 'dist'),
build update -- don't include igv.js as it won't work  (missing babel polyfill)