diff --git a/modules/id.js b/modules/id.js
index b5f347c0b..db1d1639a 100644
--- a/modules/id.js
+++ b/modules/id.js
@@ -1,4 +1,5 @@
 import 'browser-polyfills';
+import 'string.fromcodepoint';
 import 'abortcontroller-polyfill/dist/polyfill-patch-fetch';
 
 // polyfill requestIdleCallback
diff --git a/package.json b/package.json
index f420d0fc5..115a02432 100644
--- a/package.json
+++ b/package.json
@@ -53,6 +53,7 @@
     "pannellum": "2.4.1",
     "q": "1.5.1",
     "rbush": "2.0.2",
+    "string.fromcodepoint": "0.2.1",
     "which-polygon": "2.2.0",
     "wmf-sitematrix": "0.1.4"
   },