diff --git a/gulp/config.js b/gulp/config.js
index ef4cb7c4..f9de27f5 100644
--- a/gulp/config.js
+++ b/gulp/config.js
@@ -35,6 +35,7 @@ export default {
 
   assetExtensions: [
     'js',
+    'js.map',
     'css',
     'png',
     'jpe?g',