diff --git a/android/KMEA/app/src/main/assets/other-polyfills.js b/android/KMEA/app/src/main/assets/other-polyfills.js
index 2102a07134..f86e51f8f4 100644
--- a/android/KMEA/app/src/main/assets/other-polyfills.js
+++ b/android/KMEA/app/src/main/assets/other-polyfills.js
@@ -14,4 +14,10 @@ if(!Array.prototype.includes){
   Array.prototype.includes = function(search){
    return !!~this.indexOf(search);
  }
+}
+
+// This file is only referenced by the main Web engine; its "global" object is `window`.
+// `globalThis` is defined in Chrome 71+.
+if(typeof globalThis == 'undefined') {
+  var globalThis = window;
 }
\ No newline at end of file