diff --git a/lib/types/globals.d.ts b/lib/types/globals.d.ts
index 924d0ef6..a88aa89f 100644
--- a/lib/types/globals.d.ts
+++ b/lib/types/globals.d.ts
@@ -58,6 +58,7 @@ declare const DocumentTouch: any;
 declare const Rollbar: IRollbar;
 
 interface Window {
+    _babelPolyfill: boolean;
     ABT: ABT.Backend;
     DocumentTouch?: any;
     Rollbar: IRollbar;
diff --git a/src/js/utils/polyfill.ts b/src/js/utils/polyfill.ts
new file mode 100644
index 00000000..e14a4a93
--- /dev/null
+++ b/src/js/utils/polyfill.ts
@@ -0,0 +1,3 @@
+if (!top._babelPolyfill) {
+    require('babel-polyfill');
+}
diff --git a/webpack.config.ts b/webpack.config.ts
index 9f5d34f2..c4dab40a 100644
--- a/webpack.config.ts
+++ b/webpack.config.ts
@@ -61,7 +61,7 @@ const config: webpack.Configuration = {
         'js/worker': ['babel-polyfill', './src/js/worker/worker'],
         'js/frontend': ['babel-polyfill', './src/js/frontend'],
         'js/reference-list/index': [
-            'babel-polyfill',
+            './src/js/utils/polyfill',
             'whatwg-fetch',
             'raf/polyfill',
             './src/js/reference-list/',