diff --git a/package.json b/package.json
index b7cfbf3..706b027 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "webslides",
-  "version": "1.2.0",
+  "version": "1.2.1",
   "description": "Making HTML presentations easy",
   "main": "index.js",
   "repository": {
@@ -31,6 +31,7 @@
     "babel-cli": "^6.23.0",
     "babel-core": "^6.23.1",
     "babel-loader": "^6.3.2",
+    "babel-preset-env": "^1.1.11",
     "babel-preset-es2015": "^6.22.0",
     "npm-run-all": "^4.0.2",
     "rimraf": "^2.6.0",
diff --git a/src/js/modules/webslides.js b/src/js/modules/webslides.js
index b137260..890368c 100644
--- a/src/js/modules/webslides.js
+++ b/src/js/modules/webslides.js
@@ -208,7 +208,7 @@ export default class WebSlides {
    * @see scrollTo
    */
   scrollTransitionToSlide_(isMovingForward, nextSlide, callback) {
-    this.el.style.overflow = 'none';
+    this.el.style.overflow = 'hidden';
 
     if (!isMovingForward) {
       nextSlide.moveBeforeFirst();
diff --git a/static/js/webslides.js b/static/js/webslides.js
index a3db2e0..4c2cd41 100644
--- a/static/js/webslides.js
+++ b/static/js/webslides.js
@@ -553,7 +553,7 @@ var WebSlides = function () {
     value: function scrollTransitionToSlide_(isMovingForward, nextSlide, callback) {
       var _this2 = this;
 
-      this.el.style.overflow = 'none';
+      this.el.style.overflow = 'hidden';
 
       if (!isMovingForward) {
         nextSlide.moveBeforeFirst();